#31180B#31180B

#31180B is a very dark, muted orange. Relative luminance 0.013; OKLCH L 24.1% C 0.046 H 47.1°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#31180B
RGB	rgb(49, 24, 11)
HSL	hsl(21, 63%, 12%)
HSV	hsv(21, 78%, 19%)
CMYK	cmyk(0%, 51%, 77.6%, 80.8%)
CIE-LAB	lab(11.49, 11.08, 12.85)
CIE-LCH	lch(11.49, 16.97, 49.23°)
OKLab	oklab(24.11% 0.0313 0.0337)
OKLCH	oklch(24.11% 0.046 47.1)
XYZ	xyz(1.6538, 1.3306, 0.4863)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31180B #0B2431

analogous

#310B11 #31180B #312B0B

triadic

#31180B #0B3118 #180B31

tetradic

#31180B #11310B #0B2431 #2B0B31

square

#31180B #11310B #0B2431 #2B0B31

split-complementary

#31180B #0B312B #0B1131

monochromatic

#190C06 #190C06 #31180B #633016 #954921

Accessibility & contrast

On white

16.59

#31180B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#31180B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31180B

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31180B	#FFFFFF	#000000	##FFFFFF
##31180B	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0A

Deuteranopia (green-blind)

#25210B

Tritanopia (blue-blind)

#361315

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #31180b;
/* rgb */ color: rgb(49, 24, 11);
/* oklch */ color: oklch(24.1% 0.046 47.1);

Tailwind

colors: {
  custom: {
    50: '#6b554b',
    500: '#31180b',
    950: '#000000',
  },
}

SCSS

$custom: #31180b;
$custom-light: #6b554b;
$custom-dark: #000000;

JSON

{
  "hex": "#31180b",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 20.526,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2411,
    "c": 0.04596,
    "h": 47.1
  },
  "luminance": 0.0133
}

Semantic roles & 50–950 ramp

primary

#31180B

secondary

#2A576E

accent

#AEE641

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070301

muted

#7A7877

Preview Lab

Preview with #31180B

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

Preview Lab → · Contrast checker → · Palette generator →