#33100D#33100D

#33100D is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.9% C 0.058 H 27.4°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#33100D
RGB	rgb(51, 16, 13)
HSL	hsl(5, 59%, 13%)
HSV	hsv(5, 75%, 20%)
CMYK	cmyk(0%, 68.6%, 74.5%, 80%)
CIE-LAB	lab(9.83, 17.44, 9.67)
CIE-LCH	lch(9.83, 19.94, 29.02°)
OKLab	oklab(22.93% 0.0511 0.0265)
OKLCH	oklch(22.93% 0.058 27.4)
XYZ	xyz(1.6233, 1.1037, 0.5082)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33100D #0D3033

analogous

#330D1D #33100D #33230D

triadic

#33100D #0D3310 #100D33

tetradic

#33100D #1D330D #0D3033 #230D33

square

#33100D #1D330D #0D3033 #230D33

split-complementary

#33100D #0D3323 #0D1D33

monochromatic

#180806 #180806 #33100D #641F19 #952F26

Accessibility & contrast

On white

17.20

#33100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#33100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33100D

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33100D	#FFFFFF	#000000	##FFFFFF
##33100D	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160D

Deuteranopia (green-blind)

#221E0C

Tritanopia (blue-blind)

#39090F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #33100d;
/* rgb */ color: rgb(51, 16, 13);
/* oklch */ color: oklch(22.9% 0.058 27.4);

Tailwind

colors: {
  custom: {
    50: '#6e4f4c',
    500: '#33100d',
    950: '#000000',
  },
}

SCSS

$custom: #33100d;
$custom-light: #6e4f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#33100d",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 4.737,
    "s": 59.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22931,
    "c": 0.05752,
    "h": 27.4
  },
  "luminance": 0.01103
}

Semantic roles & 50–950 ramp

primary

#33100D

secondary

#2E696E

accent

#D6E345

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #33100D

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

Preview Lab → · Contrast checker → · Palette generator →