#311F0A#311F0A

#311F0A is a dark, muted orange. Relative luminance 0.017; OKLCH L 25.7% C 0.043 H 67.9°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#311F0A
RGB	rgb(49, 31, 10)
HSL	hsl(32, 66%, 12%)
HSV	hsv(32, 80%, 19%)
CMYK	cmyk(0%, 36.7%, 79.6%, 80.8%)
CIE-LAB	lab(13.56, 6.14, 16.07)
CIE-LCH	lch(13.56, 17.20, 69.10°)
OKLab	oklab(25.71% 0.0163 0.04)
OKLCH	oklch(25.71% 0.043 67.9)
XYZ	xyz(1.8115, 1.6550, 0.5111)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F0A #0A1C31

analogous

#310C0A #311F0A #30310A

triadic

#311F0A #0A311F #1F0A31

tetradic

#311F0A #0A310C #0A1C31 #310A30

square

#311F0A #0A310C #0A1C31 #310A30

split-complementary

#311F0A #0A3031 #0C0A31

monochromatic

#191005 #191005 #311F0A #643F14 #975F1F

Accessibility & contrast

On white

15.78

#311F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#311F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F0A

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F0A	#FFFFFF	#000000	##FFFFFF
##311F0A	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252008

Deuteranopia (green-blind)

#29240A

Tritanopia (blue-blind)

#361B1A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #311f0a;
/* rgb */ color: rgb(49, 31, 10);
/* oklch */ color: oklch(25.7% 0.043 67.9);

Tailwind

colors: {
  custom: {
    50: '#6b5a4b',
    500: '#311f0a',
    950: '#000000',
  },
}

SCSS

$custom: #311f0a;
$custom-light: #6b5a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#311f0a",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 10
  },
  "hsl": {
    "h": 32.308,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.2571,
    "c": 0.0432,
    "h": 67.9
  },
  "luminance": 0.01655
}

Semantic roles & 50–950 ramp

primary

#311F0A

secondary

#29496E

accent

#8DE93F

background

#F6F5F4

surface

#EBE9E7

border

#C6C5C3

text

#070301

muted

#7A7877

Preview Lab

Preview with #311F0A

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

Preview Lab → · Contrast checker → · Palette generator →