#331B05#331B05

#331B05 is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.0% C 0.051 H 60.1°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#331B05
RGB	rgb(51, 27, 5)
HSL	hsl(29, 82%, 11%)
HSV	hsv(29, 90%, 20%)
CMYK	cmyk(0%, 47.1%, 90.2%, 80%)
CIE-LAB	lab(12.60, 9.62, 16.88)
CIE-LCH	lch(12.60, 19.43, 60.32°)
OKLab	oklab(25.01% 0.0253 0.044)
OKLCH	oklch(25.01% 0.051 60.1)
XYZ	xyz(1.7847, 1.4988, 0.3389)
Luminance	0.0150 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B05 #051D33

analogous

#330506 #331B05 #333205

triadic

#331B05 #05331B #1B0533

tetradic

#331B05 #063305 #051D33 #320533

square

#331B05 #063305 #051D33 #320533

split-complementary

#331B05 #053332 #050633

monochromatic

#1C0F03 #1C0F03 #331B05 #6B390A #A25610

Accessibility & contrast

On white

16.16

#331B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#331B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B05

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B05	#FFFFFF	#000000	##FFFFFF
##331B05	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D03

Deuteranopia (green-blind)

#282305

Tritanopia (blue-blind)

#391616

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #331b05;
/* rgb */ color: rgb(51, 27, 5);
/* oklch */ color: oklch(25.0% 0.051 60.1);

Tailwind

colors: {
  custom: {
    50: '#6d5749',
    500: '#331b05',
    950: '#000000',
  },
}

SCSS

$custom: #331b05;
$custom-light: #6d5749;
$custom-dark: #000000;

JSON

{
  "hex": "#331b05",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 28.696,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.25011,
    "c": 0.05077,
    "h": 60.1
  },
  "luminance": 0.01499
}

Semantic roles & 50–950 ramp

primary

#331B05

secondary

#1F4C74

accent

#98F82F

background

#F6F5F4

surface

#ECE9E6

border

#C7C5C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #331B05

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

Preview Lab → · Contrast checker → · Palette generator →