#33100A#33100A

#33100A is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.9% C 0.058 H 31.7°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#33100A
RGB	rgb(51, 16, 10)
HSL	hsl(9, 67%, 12%)
HSV	hsv(9, 80%, 20%)
CMYK	cmyk(0%, 68.6%, 80.4%, 80%)
CIE-LAB	lab(9.77, 17.21, 10.92)
CIE-LCH	lch(9.77, 20.38, 32.40°)
OKLab	oklab(22.87% 0.0497 0.0307)
OKLCH	oklch(22.87% 0.058 31.7)
XYZ	xyz(1.6055, 1.0965, 0.4142)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33100A #0A2D33

analogous

#330A19 #33100A #33250A

triadic

#33100A #0A3310 #100A33

tetradic

#33100A #19330A #0A2D33 #250A33

square

#33100A #19330A #0A2D33 #250A33

split-complementary

#33100A #0A3325 #0A1933

monochromatic

#1A0805 #1A0805 #33100A #662014 #99301E

Accessibility & contrast

On white

17.22

#33100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#33100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33100A

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33100A	#FFFFFF	#000000	##FFFFFF
##33100A	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191609

Deuteranopia (green-blind)

#221E09

Tritanopia (blue-blind)

#39090F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #33100a;
/* rgb */ color: rgb(51, 16, 10);
/* oklch */ color: oklch(22.9% 0.058 31.7);

Tailwind

colors: {
  custom: {
    50: '#6e4f4b',
    500: '#33100a',
    950: '#000000',
  },
}

SCSS

$custom: #33100a;
$custom-light: #6e4f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#33100a",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 8.78,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2287,
    "c": 0.05836,
    "h": 31.7
  },
  "luminance": 0.01096
}

Semantic roles & 50–950 ramp

primary

#33100A

secondary

#286670

accent

#D1EA3E

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #33100A

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

Preview Lab → · Contrast checker → · Palette generator →