#33100F#33100F

#33100F is a very dark, muted red. Relative luminance 0.011; OKLCH L 23.0% C 0.057 H 24.3°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#33100F
RGB	rgb(51, 16, 15)
HSL	hsl(2, 55%, 13%)
HSV	hsv(2, 71%, 20%)
CMYK	cmyk(0%, 68.6%, 70.6%, 80%)
CIE-LAB	lab(9.87, 17.62, 8.72)
CIE-LCH	lch(9.87, 19.66, 26.35°)
OKLab	oklab(22.98% 0.0521 0.0235)
OKLCH	oklch(22.98% 0.057 24.3)
XYZ	xyz(1.6369, 1.1091, 0.5797)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33100F #0F3233

analogous

#330F20 #33100F #33220F

triadic

#33100F #0F3310 #100F33

tetradic

#33100F #20330F #0F3233 #220F33

square

#33100F #20330F #0F3233 #220F33

split-complementary

#33100F #0F3322 #0F2033

monochromatic

#180707 #180707 #33100F #621F1D #922E2B

Accessibility & contrast

On white

17.19

#33100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#33100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33100F

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33100F	#FFFFFF	#000000	##FFFFFF
##33100F	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19170F

Deuteranopia (green-blind)

#211E0E

Tritanopia (blue-blind)

#390A10

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #33100f;
/* rgb */ color: rgb(51, 16, 15);
/* oklch */ color: oklch(23.0% 0.057 24.3);

Tailwind

colors: {
  custom: {
    50: '#6e4f4e',
    500: '#33100f',
    950: '#000000',
  },
}

SCSS

$custom: #33100f;
$custom-light: #6e4f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#33100f",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.667,
    "s": 54.545,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22976,
    "c": 0.0571,
    "h": 24.3
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#33100F

secondary

#316B6D

accent

#DADE4A

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #33100F

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

Preview Lab → · Contrast checker → · Palette generator →