#311B03#311B03

#311B03 is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.7% C 0.051 H 65.2°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#311B03
RGB	rgb(49, 27, 3)
HSL	hsl(31, 88%, 10%)
HSV	hsv(31, 94%, 19%)
CMYK	cmyk(0%, 44.9%, 93.9%, 80.8%)
CIE-LAB	lab(12.24, 8.37, 17.16)
CIE-LCH	lch(12.24, 19.09, 63.99°)
OKLab	oklab(24.66% 0.0212 0.0459)
OKLCH	oklch(24.66% 0.051 65.2)
XYZ	xyz(1.6751, 1.4436, 0.2765)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B03 #031931

analogous

#310403 #311B03 #303103

triadic

#311B03 #03311B #1B0331

tetradic

#311B03 #033104 #031931 #310330

square

#311B03 #033104 #031931 #310330

split-complementary

#311B03 #033031 #040331

monochromatic

#1D1002 #1D1002 #311B03 #6B3B07 #A45B0A

Accessibility & contrast

On white

16.30

#311B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#311B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B03

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B03	#FFFFFF	#000000	##FFFFFF
##311B03	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D01

Deuteranopia (green-blind)

#272203

Tritanopia (blue-blind)

#371616

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #311b03;
/* rgb */ color: rgb(49, 27, 3);
/* oklch */ color: oklch(24.7% 0.051 65.2);

Tailwind

colors: {
  custom: {
    50: '#6b5748',
    500: '#311b03',
    950: '#000000',
  },
}

SCSS

$custom: #311b03;
$custom-light: #6b5748;
$custom-dark: #000000;

JSON

{
  "hex": "#311b03",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 3
  },
  "hsl": {
    "h": 31.304,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.24657,
    "c": 0.05057,
    "h": 65.2
  },
  "luminance": 0.01443
}

Semantic roles & 50–950 ramp

primary

#311B03

secondary

#1B4674

accent

#8FFF29

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311B03

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

Preview Lab → · Contrast checker → · Palette generator →