#1D280B#1D280B

#1D280B is a dark, muted yellow-green. Relative luminance 0.018; OKLCH L 25.9% C 0.050 H 127.0°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX#1D280B
RGBrgb(29, 40, 11)
HSLhsl(83, 57%, 10%)
HSVhsv(83, 73%, 16%)
CMYKcmyk(27.5%, 0%, 72.5%, 84.3%)
CIE-LABlab(14.42, -10.74, 16.35)
CIE-LCHlch(14.42, 19.56, 123.31°)
OKLaboklab(25.85% -0.0303 0.0402)
OKLCHoklch(25.85% 0.05 127)
XYZxyz(1.3259, 1.8029, 0.5947)
Luminance0.0180 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D280B #160B28
analogous
#28250B #1D280B #0E280B
triadic
#1D280B #0B1D28 #280B1D
tetradic
#1D280B #0B2825 #160B28 #280B0E
square
#1D280B #0B2825 #160B28 #280B0E
split-complementary
#1D280B #0B0E28 #250B28
monochromatic
#111807 #111807 #1D280B #405818 #638825

Accessibility & contrast

On white

15.43
#1D280B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#1D280B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D280B
15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D280B#FFFFFF#000000##FFFFFF
##1D280B1.0015.431.3615.43
#FFFFFF15.431.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A2508
Deuteranopia (green-blind)
#29240D
Tritanopia (blue-blind)
#1E2622
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #1d280b;
/* rgb */ color: rgb(29, 40, 11);
/* oklch */ color: oklch(25.9% 0.050 127.0);
Tailwind
colors: {
  custom: {
    50: '#59624c',
    500: '#1d280b',
    950: '#000000',
  },
}
SCSS
$custom: #1d280b;
$custom-light: #59624c;
$custom-dark: #000000;
JSON
{
  "hex": "#1d280b",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 82.759,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.25853,
    "c": 0.05037,
    "h": 127
  },
  "luminance": 0.01803
}

Semantic roles & 50–950 ramp

primary
#1D280B
secondary
#412B64
accent
#48E082
background
#F5F5F4
surface
#E9EAE7
border
#C5C6C3
text
#030501
muted
#787977

Preview Lab

Preview with #1D280B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D280B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva