#331B20#331B20

#331B20 is a dark, muted red. Relative luminance 0.016; OKLCH L 25.6% C 0.039 H 6.7°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#331B20
RGB	rgb(51, 27, 32)
HSL	hsl(348, 31%, 15%)
HSV	hsv(348, 47%, 20%)
CMYK	cmyk(0%, 47.1%, 37.3%, 80%)
CIE-LAB	lab(13.18, 12.67, 1.66)
CIE-LCH	lch(13.18, 12.78, 7.48°)
OKLab	oklab(25.65% 0.0384 0.0045)
OKLCH	oklch(25.65% 0.039 6.7)
XYZ	xyz(2.0180, 1.5921, 1.5672)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B20 #1B332E

analogous

#331B2C #331B20 #33221B

triadic

#331B20 #20331B #1B2033

tetradic

#331B20 #2C331B #1B332E #221B33

square

#331B20 #2C331B #1B332E #221B33

split-complementary

#331B20 #1B3322 #1B2C33

monochromatic

#140B0D #140B0D #331B20 #5B3039 #834552

Accessibility & contrast

On white

15.93

#331B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#331B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B20

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B20	#FFFFFF	#000000	##FFFFFF
##331B20	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1F20

Deuteranopia (green-blind)

#252420

Tritanopia (blue-blind)

#37191D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #331b20;
/* rgb */ color: rgb(51, 27, 32);
/* oklch */ color: oklch(25.6% 0.039 6.7);

Tailwind

colors: {
  custom: {
    50: '#6c575b',
    500: '#331b20',
    950: '#000000',
  },
}

SCSS

$custom: #331b20;
$custom-light: #6c575b;
$custom-dark: #000000;

JSON

{
  "hex": "#331b20",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 347.5,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25646,
    "c": 0.03865,
    "h": 6.7
  },
  "luminance": 0.01592
}

Semantic roles & 50–950 ramp

primary

#331B20

secondary

#436760

accent

#C7B261

background

#F6F5F5

surface

#EBE9E9

border

#C6C5C5

text

#070304

muted

#7A7879

Preview Lab

Preview with #331B20

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

Preview Lab → · Contrast checker → · Palette generator →