#331C1B#331C1B

#331C1B is a dark, muted red. Relative luminance 0.016; OKLCH L 25.7% C 0.037 H 22.6°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#331C1B
RGB	rgb(51, 28, 27)
HSL	hsl(3, 31%, 15%)
HSV	hsv(3, 47%, 20%)
CMYK	cmyk(0%, 45.1%, 47.1%, 80%)
CIE-LAB	lab(13.31, 11.19, 5.49)
CIE-LCH	lch(13.31, 12.47, 26.15°)
OKLab	oklab(25.7% 0.0338 0.0141)
OKLCH	oklch(25.7% 0.037 22.6)
XYZ	xyz(1.9784, 1.6136, 1.2440)
Luminance	0.0161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C1B #1B3233

analogous

#331B26 #331C1B #33281B

triadic

#331C1B #1B331C #1C1B33

tetradic

#331C1B #26331B #1B3233 #281B33

square

#331C1B #26331B #1B3233 #281B33

split-complementary

#331C1B #1B3328 #1B2633

monochromatic

#140B0B #140B0B #331C1B #5B3230 #834845

Accessibility & contrast

On white

15.88

#331C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#331C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C1B

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C1B	#FFFFFF	#000000	##FFFFFF
##331C1B	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211F1B

Deuteranopia (green-blind)

#26241B

Tritanopia (blue-blind)

#37191C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #331c1b;
/* rgb */ color: rgb(51, 28, 27);
/* oklch */ color: oklch(25.7% 0.037 22.6);

Tailwind

colors: {
  custom: {
    50: '#6c5857',
    500: '#331c1b',
    950: '#000000',
  },
}

SCSS

$custom: #331c1b;
$custom-light: #6c5857;
$custom-dark: #000000;

JSON

{
  "hex": "#331c1b",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 27
  },
  "hsl": {
    "h": 2.5,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25696,
    "c": 0.03665,
    "h": 22.6
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#331C1B

secondary

#436667

accent

#C3C761

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070303

muted

#7A7878

Preview Lab

Preview with #331C1B

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

Preview Lab → · Contrast checker → · Palette generator →