#1C3603#1C3603

#1C3603 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.0% C 0.081 H 133.4°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX#1C3603
RGBrgb(28, 54, 3)
HSLhsl(91, 89%, 11%)
HSVhsv(91, 94%, 21%)
CMYKcmyk(48.1%, 0%, 94.4%, 78.8%)
CIE-LABlab(19.60, -19.84, 25.95)
CIE-LCHlch(19.60, 32.67, 127.39°)
OKLaboklab(30.03% -0.056 0.0592)
OKLCHoklch(30.03% 0.081 133.4)
XYZxyz(1.8145, 2.8917, 0.5487)
Luminance0.0289 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3603 #1D0336
analogous
#353603 #1C3603 #033603
triadic
#1C3603 #031C36 #36031C
tetradic
#1C3603 #033536 #1D0336 #360303
square
#1C3603 #033536 #1D0336 #360303
split-complementary
#1C3603 #030336 #360335
monochromatic
#0F1D02 #0F1D02 #1C3603 #3A7006 #58AA09

Accessibility & contrast

On white

13.30
#1C3603 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.58
#1C3603 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3603
13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3603#FFFFFF#000000##FFFFFF
##1C36031.0013.301.5813.30
#FFFFFF13.301.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393100
Deuteranopia (green-blind)
#352F08
Tritanopia (blue-blind)
#1C332D
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #1c3603;
/* rgb */ color: rgb(28, 54, 3);
/* oklch */ color: oklch(30.0% 0.081 133.4);
Tailwind
colors: {
  custom: {
    50: '#5b6d49',
    500: '#1c3603',
    950: '#000000',
  },
}
SCSS
$custom: #1c3603;
$custom-light: #5b6d49;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3603",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 90.588,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.30033,
    "c": 0.08148,
    "h": 133.4
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary
#1C3603
secondary
#4B1C79
accent
#29FF96
background
#F5F6F4
surface
#E9EBE7
border
#C5C6C3
text
#040701
muted
#797A77

Preview Lab

Preview with #1C3603

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3603 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva