#33050B#33050B

#33050B is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.2% C 0.073 H 18.4°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).

Color values

HEX	#33050B
RGB	rgb(51, 5, 11)
HSL	hsl(352, 82%, 11%)
HSV	hsv(352, 90%, 20%)
CMYK	cmyk(0%, 90.2%, 78.4%, 80%)
CIE-LAB	lab(7.56, 23.32, 7.31)
CIE-LCH	lch(7.56, 24.44, 17.40°)
OKLab	oklab(21.21% 0.0693 0.0231)
OKLCH	oklch(21.21% 0.073 18.4)
XYZ	xyz(1.4801, 0.8367, 0.4001)
Luminance	0.0084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33050B #05332D

analogous

#330522 #33050B #331605

triadic

#33050B #0B3305 #050B33

tetradic

#33050B #223305 #05332D #160533

square

#33050B #223305 #05332D #160533

split-complementary

#33050B #053316 #052233

monochromatic

#1C0306 #1C0306 #33050B #6B0A17 #A21023

Accessibility & contrast

On white

17.99

#33050B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#33050B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33050B

17.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33050B	#FFFFFF	#000000	##FFFFFF
##33050B	1.00	17.99	1.17	17.99
#FFFFFF	17.99	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12100B

Deuteranopia (green-blind)

#1E1A0A

Tritanopia (blue-blind)

#390007

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #33050b;
/* rgb */ color: rgb(51, 5, 11);
/* oklch */ color: oklch(21.2% 0.073 18.4);

Tailwind

colors: {
  custom: {
    50: '#6f494b',
    500: '#33050b',
    950: '#000000',
  },
}

SCSS

$custom: #33050b;
$custom-light: #6f494b;
$custom-dark: #000000;

JSON

{
  "hex": "#33050b",
  "rgb": {
    "r": 51,
    "g": 5,
    "b": 11
  },
  "hsl": {
    "h": 352.174,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21213,
    "c": 0.07306,
    "h": 18.4
  },
  "luminance": 0.00837
}

Semantic roles & 50–950 ramp

primary

#33050B

secondary

#1F7469

accent

#F8DE2F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #33050B

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

Preview Lab → · Contrast checker → · Palette generator →