#281F01#281F01

#281F01 is a very dark, muted yellow. Relative luminance 0.014; OKLCH L 24.3% C 0.048 H 92.6°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#281F01
RGB	rgb(40, 31, 1)
HSL	hsl(46, 95%, 8%)
HSV	hsv(46, 98%, 16%)
CMYK	cmyk(0%, 22.5%, 97.5%, 84.3%)
CIE-LAB	lab(12.18, 0.24, 17.66)
CIE-LCH	lch(12.18, 17.66, 89.21°)
OKLab	oklab(24.3% -0.0022 0.0482)
OKLCH	oklch(24.3% 0.048 92.6)
XYZ	xyz(1.3706, 1.4334, 0.2332)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F01 #010A28

analogous

#280B01 #281F01 #1D2801

triadic

#281F01 #01281F #1F0128

tetradic

#281F01 #01280B #010A28 #28011D

square

#281F01 #01280B #010A28 #28011D

split-complementary

#281F01 #011D28 #0B0128

monochromatic

#1E1701 #1E1701 #281F01 #644D02 #9F7C04

Accessibility & contrast

On white

16.32

#281F01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#281F01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F01

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F01	#FFFFFF	#000000	##FFFFFF
##281F01	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241E00

Deuteranopia (green-blind)

#262102

Tritanopia (blue-blind)

#2C1B19

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #281f01;
/* rgb */ color: rgb(40, 31, 1);
/* oklch */ color: oklch(24.3% 0.048 92.6);

Tailwind

colors: {
  custom: {
    50: '#635a47',
    500: '#281f01',
    950: '#000000',
  },
}

SCSS

$custom: #281f01;
$custom-light: #635a47;
$custom-dark: #000000;

JSON

{
  "hex": "#281f01",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 1
  },
  "hsl": {
    "h": 46.154,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.24303,
    "c": 0.04827,
    "h": 92.6
  },
  "luminance": 0.01433
}

Semantic roles & 50–950 ramp

primary

#281F01

secondary

#162B6F

accent

#5AFF29

background

#F6F5F3

surface

#EBE9E5

border

#C6C5C1

text

#050300

muted

#7A7877

Preview Lab

Preview with #281F01

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

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