Information about #10303C color

#10303C color image

Basic facts about this digital color

In the Register's classification, #10303C belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. The mix behind it: rgb(16, 48, 60) — 6.3% red, 18.8% green, 23.5% blue; the print equivalent is CMYK 17 / 5 / 0 / 76. New to color codes? See our guide to RGB color codes.

The color #10303C reads as a pleasantly vivid azure and carries a shadowy depth. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Billabong (#173141). Nearby in the Register you will also find Loch Ness (#072F37) and City Limits (#0C3A37).

Technically, the mix leans on its blue channel (rgb(16, 48, 60)), which gives #10303C its character. If you plan to put text on a #10303C background, choose white — the contrast ratio is 13.9:1 (passing WCAG AAA), while black manages only 1.5:1. On paper it relies strongly on black ink (K:76), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #10303C is still unnamed — it can be claimed and named in The Official Register of Color Names.

#10303C color variations

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

#10303C 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 #10303C

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

Billabong color link
Billabong

#173141

Loch Ness color link
Loch Ness

#072F37

City Limits color link
City Limits

#0C3A37

Tobias Blue color link
Tobias Blue

#0C2C47

Titans Navy color link
Titans Navy

#0C2340

ORPIN BLUE color link
ORPIN BLUE

#122B4A

Yankees Blue color link
Yankees Blue

#1C2841

Nordic color link
Nordic

#1D393C

Regatta color link
Regatta

#192C49

Magnum color link
Magnum

#112331

Madagascar color link
Madagascar

#172E2C

Conversions between color systems and etc.

  • HEX#10303C
  • RGB16, 48, 60
  • CMYK17, 5, 0, 76
  • CSSrgb(16, 48, 60)
  • HSL196°, 58%, 15%
  • HSL Precise196.364°, 57.895%, 14.902%
  • HSV196°, 73%, 24%
  • HSB196°, 73%, 24%
  • Normalized R (0.0–1.0)0.063
  • Normalized G (0.0–1.0)0.188
  • Normalized B (0.0–1.0)0.235
  • GLSLvec3(0.063, 0.188, 0.235)
  • GLSL with alphavec4(0.063, 0.188, 0.235, 1.000)
  • HLSL / Metalfloat3(0.063, 0.188, 0.235)
  • Percentage of Red in RGB6.3%
  • Percentage of Green in RGB18.8%
  • Percentage of Blue in RGB23.5%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID10303C
  • DECIMAL ID1060924
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01