#331F1F#331F1F

#331F1F is a dark, muted red. Relative luminance 0.018; OKLCH L 26.5% C 0.031 H 19.4°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#331F1F
RGB	rgb(51, 31, 31)
HSL	hsl(0, 24%, 16%)
HSV	hsv(0, 39%, 20%)
CMYK	cmyk(0%, 39.2%, 39.2%, 80%)
CIE-LAB	lab(14.30, 9.74, 3.99)
CIE-LCH	lch(14.30, 10.53, 22.29°)
OKLab	oklab(26.5% 0.0296 0.0104)
OKLCH	oklch(26.5% 0.031 19.4)
XYZ	xyz(2.1026, 1.7829, 1.5294)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F1F #1F3333

analogous

#331F29 #331F1F #33291F

triadic

#331F1F #1F331F #1F1F33

tetradic

#331F1F #29331F #1F3333 #291F33

square

#331F1F #29331F #1F3333 #291F33

split-complementary

#331F1F #1F3329 #1F2933

monochromatic

#130C0C #130C0C #331F1F #593636 #7F4D4D

Accessibility & contrast

On white

15.48

#331F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#331F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F1F

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F1F	#FFFFFF	#000000	##FFFFFF
##331F1F	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221F

Deuteranopia (green-blind)

#28261F

Tritanopia (blue-blind)

#371D1F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331f1f;
/* rgb */ color: rgb(51, 31, 31);
/* oklch */ color: oklch(26.5% 0.031 19.4);

Tailwind

colors: {
  custom: {
    50: '#6b5a5a',
    500: '#331f1f',
    950: '#000000',
  },
}

SCSS

$custom: #331f1f;
$custom-light: #6b5a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#331f1f",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 24.39,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26495,
    "c": 0.03136,
    "h": 19.4
  },
  "luminance": 0.01783
}

Semantic roles & 50–950 ramp

primary

#331F1F

secondary

#486666

accent

#C1C167

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070403

muted

#7A7978

Preview Lab

Preview with #331F1F

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

Preview Lab → · Contrast checker → · Palette generator →