#1D230B#1D230B

#1D230B is a very dark, muted yellow-green. Relative luminance 0.015; OKLCH L 24.3% C 0.041 H 121.2°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D230B
RGB	rgb(29, 35, 11)
HSL	hsl(75, 52%, 9%)
HSV	hsv(75, 69%, 14%)
CMYK	cmyk(17.1%, 0%, 68.6%, 86.3%)
CIE-LAB	lab(12.53, -7.58, 13.85)
CIE-LCH	lch(12.53, 15.78, 118.70°)
OKLab	oklab(24.33% -0.0215 0.0355)
OKLCH	oklch(24.33% 0.041 121.2)
XYZ	xyz(1.1681, 1.4874, 0.5421)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D230B #110B23

analogous

#231D0B #1D230B #11230B

triadic

#1D230B #0B1D23 #230B1D

tetradic

#1D230B #0B231D #110B23 #230B11

square

#1D230B #0B231D #110B23 #230B11

split-complementary

#1D230B #0B1123 #1D0B23

monochromatic

#131707 #131707 #1D230B #44521A #6A8028

Accessibility & contrast

On white

16.19

#1D230B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1D230B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D230B

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D230B	#FFFFFF	#000000	##FFFFFF
##1D230B	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252109

Deuteranopia (green-blind)

#25210C

Tritanopia (blue-blind)

#1F211E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1d230b;
/* rgb */ color: rgb(29, 35, 11);
/* oklch */ color: oklch(24.3% 0.041 121.2);

Tailwind

colors: {
  custom: {
    50: '#595d4b',
    500: '#1d230b',
    950: '#000000',
  },
}

SCSS

$custom: #1d230b;
$custom-light: #595d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d230b",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 11
  },
  "hsl": {
    "h": 75,
    "s": 52.174,
    "l": 9.02
  },
  "oklch": {
    "l": 0.24331,
    "c": 0.04149,
    "h": 121.2
  },
  "luminance": 0.01487
}

Semantic roles & 50–950 ramp

primary

#1D230B

secondary

#382C5E

accent

#4CDC70

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#030401

muted

#787977

Preview Lab

Preview with #1D230B

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

Preview Lab → · Contrast checker → · Palette generator →