#1D210B#1D210B

#1D210B is a very dark, muted yellow-green. Relative luminance 0.014; OKLCH L 23.7% C 0.038 H 117.9°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX#1D210B
RGBrgb(29, 33, 11)
HSLhsl(71, 50%, 9%)
HSVhsv(71, 67%, 13%)
CMYKcmyk(12.1%, 0%, 66.7%, 87.1%)
CIE-LABlab(11.78, -6.26, 12.82)
CIE-LCHlch(11.78, 14.27, 116.01°)
OKLaboklab(23.73% -0.0178 0.0336)
OKLCHoklch(23.73% 0.038 117.9)
XYZxyz(1.1110, 1.3731, 0.5231)
Luminance0.0137 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D210B #0F0B21
analogous
#211A0B #1D210B #12210B
triadic
#1D210B #0B1D21 #210B1D
tetradic
#1D210B #0B211A #0F0B21 #210B12
square
#1D210B #0B211A #0F0B21 #210B12
split-complementary
#1D210B #0B1221 #1A0B21
monochromatic
#141708 #141708 #1D210B #454F1A #6E7D2A

Accessibility & contrast

On white

16.48
#1D210B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#1D210B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D210B
16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D210B#FFFFFF#000000##FFFFFF
##1D210B1.0016.481.2716.48
#FFFFFF16.481.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#231F09
Deuteranopia (green-blind)
#231F0C
Tritanopia (blue-blind)
#1F1F1C
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #1d210b;
/* rgb */ color: rgb(29, 33, 11);
/* oklch */ color: oklch(23.7% 0.038 117.9);
Tailwind
colors: {
  custom: {
    50: '#595c4b',
    500: '#1d210b',
    950: '#000000',
  },
}
SCSS
$custom: #1d210b;
$custom-light: #595c4b;
$custom-dark: #000000;
JSON
{
  "hex": "#1d210b",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 70.909,
    "s": 50,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23729,
    "c": 0.03797,
    "h": 117.9
  },
  "luminance": 0.01373
}

Semantic roles & 50–950 ramp

primary
#1D210B
secondary
#352C5C
accent
#4EDA68
background
#F5F5F4
surface
#E9E9E7
border
#C5C5C3
text
#030401
muted
#787977

Preview Lab

Preview with #1D210B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D210B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva