#281F0B#281F0B

#281F0B is a very dark, muted orange. Relative luminance 0.015; OKLCH L 24.5% C 0.035 H 85.4°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#281F0B
RGB	rgb(40, 31, 11)
HSL	hsl(41, 57%, 10%)
HSV	hsv(41, 73%, 16%)
CMYK	cmyk(0%, 22.5%, 72.5%, 84.3%)
CIE-LAB	lab(12.32, 1.23, 13.77)
CIE-LCH	lch(12.32, 13.83, 84.89°)
OKLab	oklab(24.46% 0.0029 0.0354)
OKLCH	oklch(24.46% 0.035 85.4)
XYZ	xyz(1.4255, 1.4553, 0.5224)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F0B #0B1428

analogous

#28100B #281F0B #23280B

triadic

#281F0B #0B281F #1F0B28

tetradic

#281F0B #0B2810 #0B1428 #280B23

square

#281F0B #0B2810 #0B1428 #280B23

split-complementary

#281F0B #0B2328 #100B28

monochromatic

#181307 #181307 #281F0B #584418 #886925

Accessibility & contrast

On white

16.27

#281F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#281F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F0B

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F0B	#FFFFFF	#000000	##FFFFFF
##281F0B	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F09

Deuteranopia (green-blind)

#25210C

Tritanopia (blue-blind)

#2C1C1A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #281f0b;
/* rgb */ color: rgb(40, 31, 11);
/* oklch */ color: oklch(24.5% 0.035 85.4);

Tailwind

colors: {
  custom: {
    50: '#635a4b',
    500: '#281f0b',
    950: '#000000',
  },
}

SCSS

$custom: #281f0b;
$custom-light: #635a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#281f0b",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 11
  },
  "hsl": {
    "h": 41.379,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.24462,
    "c": 0.03549,
    "h": 85.4
  },
  "luminance": 0.01455
}

Semantic roles & 50–950 ramp

primary

#281F0B

secondary

#2B3D64

accent

#77E048

background

#F5F5F4

surface

#EAE9E7

border

#C6C5C3

text

#050301

muted

#797877

Preview Lab

Preview with #281F0B

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

Preview Lab → · Contrast checker → · Palette generator →