Information about #403F21 color

#403F21 color image

Basic facts about this digital color

#403F21 falls into the Yellow Color Family — Mild Saturation, Dark brightness. Its exact recipe is rgb(64, 63, 33) — 25.1% red, 24.7% green, 12.9% blue — and for print it converts to CMYK 0 / 0 / 12 / 75. New to color codes? See our guide to RGB color codes.

The color #403F21 reads as a softly balanced golden yellow and leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Longbush (#413922). Its next-closest registered neighbors are Lisbon Brown (#423921) and Bathurst (#3C4027).

In RGB terms — rgb(64, 63, 33) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #403F21: 10.8:1 contrast (passing WCAG AAA) versus 2.0:1 for black. On paper it relies strongly on black ink (K:75), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #403F21 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#403F21 color variations

View this color variations of tints, shades, tones and hues.

#403F21 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #403F21

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Longbush color link
Longbush

#413922

Lisbon Brown color link
Lisbon Brown

#423921

Bathurst color link
Bathurst

#3C4027

Madras color link
Madras

#473E23

Thatch Green color link
Thatch Green

#403D19

Mikado color link
Mikado

#3F3623

Birch color link
Birch

#3F3726

Woodrush color link
Woodrush

#45402B

Jacko Bean color link
Jacko Bean

#413628

Rimutaka color link
Rimutaka

#4B3C23

Green Kelp color link
Green Kelp

#393D2A

Triple Mondo color link
Triple Mondo

#40372A

#403F21 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#403F21
  • RGB64, 63, 33
  • CMYK0, 0, 12, 75
  • CSSrgb(64, 63, 33)
  • HSL58°, 32%, 19%
  • HSL Precise58.065°, 31.959%, 19.02%
  • HSV58°, 48%, 25%
  • HSB58°, 48%, 25%
  • Normalized R (0.0–1.0)0.251
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.251, 0.247, 0.129)
  • GLSL with alphavec4(0.251, 0.247, 0.129, 1.000)
  • HLSL / Metalfloat3(0.251, 0.247, 0.129)
  • Percentage of Red in RGB25.1%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB12.9%
  • Color Family (Hue)Yellow
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID403F21
  • DECIMAL ID4210465
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01