#33030B#33030B

#33030B is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.9% C 0.076 H 16.7°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#33030B
RGB	rgb(51, 3, 11)
HSL	hsl(350, 89%, 11%)
HSV	hsv(350, 94%, 20%)
CMYK	cmyk(0%, 94.1%, 78.4%, 80%)
CIE-LAB	lab(7.17, 24.39, 6.74)
CIE-LCH	lch(7.17, 25.31, 15.43°)
OKLab	oklab(20.91% 0.0731 0.0219)
OKLCH	oklch(20.91% 0.076 16.7)
XYZ	xyz(1.4584, 0.7933, 0.3929)
Luminance	0.0079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33030B #03332B

analogous

#330323 #33030B #331303

triadic

#33030B #0B3303 #030B33

tetradic

#33030B #233303 #03332B #130333

square

#33030B #233303 #03332B #130333

split-complementary

#33030B #033313 #032333

monochromatic

#1D0206 #1D0206 #33030B #6D0617 #A70A24

Accessibility & contrast

On white

18.13

#33030B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#33030B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33030B

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33030B	#FFFFFF	#000000	##FFFFFF
##33030B	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100F0B

Deuteranopia (green-blind)

#1D1A0A

Tritanopia (blue-blind)

#390006

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #33030b;
/* rgb */ color: rgb(51, 3, 11);
/* oklch */ color: oklch(20.9% 0.076 16.7);

Tailwind

colors: {
  custom: {
    50: '#6f484b',
    500: '#33030b',
    950: '#000000',
  },
}

SCSS

$custom: #33030b;
$custom-light: #6f484b;
$custom-dark: #000000;

JSON

{
  "hex": "#33030b",
  "rgb": {
    "r": 51,
    "g": 3,
    "b": 11
  },
  "hsl": {
    "h": 350,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20907,
    "c": 0.07631,
    "h": 16.7
  },
  "luminance": 0.00793
}

Semantic roles & 50–950 ramp

primary

#33030B

secondary

#1C7667

accent

#FFDB29

background

#F7F4F4

surface

#EDE6E7

border

#C8C2C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #33030B

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

Preview Lab → · Contrast checker → · Palette generator →