#33020B#33020B

#33020B is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.078 H 15.8°. Best body text is #FFFFFF at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#33020B
RGB	rgb(51, 2, 11)
HSL	hsl(349, 92%, 10%)
HSV	hsv(349, 96%, 20%)
CMYK	cmyk(0%, 96.1%, 78.4%, 80%)
CIE-LAB	lab(6.97, 24.93, 6.45)
CIE-LCH	lch(6.97, 25.75, 14.50°)
OKLab	oklab(20.75% 0.0751 0.0213)
OKLCH	oklch(20.75% 0.078 15.8)
XYZ	xyz(1.4475, 0.7716, 0.3893)
Luminance	0.0077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33020B #02332A

analogous

#330223 #33020B #331202

triadic

#33020B #0B3302 #020B33

tetradic

#33020B #233302 #02332A #120233

square

#33020B #233302 #02332A #120233

split-complementary

#33020B #023312 #022333

monochromatic

#1D0106 #1D0106 #33020B #6E0418 #A90724

Accessibility & contrast

On white

18.19

#33020B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#33020B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33020B

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33020B	#FFFFFF	#000000	##FFFFFF
##33020B	1.00	18.19	1.15	18.19
#FFFFFF	18.19	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100F0B

Deuteranopia (green-blind)

#1C1909

Tritanopia (blue-blind)

#390005

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #33020b;
/* rgb */ color: rgb(51, 2, 11);
/* oklch */ color: oklch(20.8% 0.078 15.8);

Tailwind

colors: {
  custom: {
    50: '#6f474b',
    500: '#33020b',
    950: '#000000',
  },
}

SCSS

$custom: #33020b;
$custom-light: #6f474b;
$custom-dark: #000000;

JSON

{
  "hex": "#33020b",
  "rgb": {
    "r": 51,
    "g": 2,
    "b": 11
  },
  "hsl": {
    "h": 348.98,
    "s": 92.453,
    "l": 10.392
  },
  "oklch": {
    "l": 0.2075,
    "c": 0.07801,
    "h": 15.8
  },
  "luminance": 0.00771
}

Semantic roles & 50–950 ramp

primary

#33020B

secondary

#1A7766

accent

#FFD829

background

#F7F4F4

surface

#EDE6E7

border

#C8C2C3

text

#080001

muted

#7B7777

Preview Lab

Preview with #33020B

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

Preview Lab → · Contrast checker → · Palette generator →