#1C1903#1C1903

#1C1903 is a very dark, muted yellow. Relative luminance 0.009; OKLCH L 21.1% C 0.038 H 102.2°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX#1C1903
RGBrgb(28, 25, 3)
HSLhsl(53, 81%, 6%)
HSVhsv(53, 89%, 11%)
CMYKcmyk(0%, 10.7%, 89.3%, 89%)
CIE-LABlab(8.56, -2.35, 11.54)
CIE-LCHlch(8.56, 11.77, 101.51°)
OKLaboklab(21.09% -0.0081 0.0376)
OKLCHoklch(21.09% 0.038 102.2)
XYZxyz(0.8430, 0.9487, 0.2249)
Luminance0.0095 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1903 #03061C
analogous
#1C0C03 #1C1903 #121C03
triadic
#1C1903 #031C19 #19031C
tetradic
#1C1903 #031C0C #03061C #1C0312
square
#1C1903 #031C0C #03061C #1C0312
split-complementary
#1C1903 #03121C #0C031C
monochromatic
#1C1903 #1C1903 #1C1903 #534A09 #8B7C0F

Accessibility & contrast

On white

17.65
#1C1903 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#1C1903 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1903
17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1903#FFFFFF#000000##FFFFFF
##1C19031.0017.651.1917.65
#FFFFFF17.651.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C1801
Deuteranopia (green-blind)
#1D1904
Tritanopia (blue-blind)
#1F1614
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #1c1903;
/* rgb */ color: rgb(28, 25, 3);
/* oklch */ color: oklch(21.1% 0.038 102.2);
Tailwind
colors: {
  custom: {
    50: '#575548',
    500: '#1c1903',
    950: '#000000',
  },
}
SCSS
$custom: #1c1903;
$custom-light: #575548;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1903",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 3
  },
  "hsl": {
    "h": 52.8,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.21089,
    "c": 0.03845,
    "h": 102.2
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary
#1C1903
secondary
#1B2360
accent
#49F731
background
#F5F4F4
surface
#E9E7E6
border
#C5C3C2
text
#030300
muted
#787877

Preview Lab

Preview with #1C1903

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#1C1903 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva