#33070B#33070B

#33070B is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.5% C 0.070 H 20.3°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#33070B
RGB	rgb(51, 7, 11)
HSL	hsl(355, 76%, 11%)
HSV	hsv(355, 86%, 20%)
CMYK	cmyk(0%, 86.3%, 78.4%, 80%)
CIE-LAB	lab(7.95, 22.23, 7.88)
CIE-LCH	lch(7.95, 23.59, 19.51°)
OKLab	oklab(21.51% 0.0657 0.0243)
OKLCH	oklch(21.51% 0.07 20.3)
XYZ	xyz(1.5018, 0.8801, 0.4074)
Luminance	0.0088 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33070B #07332F

analogous

#330721 #33070B #331907

triadic

#33070B #0B3307 #070B33

tetradic

#33070B #213307 #07332F #190733

square

#33070B #213307 #07332F #190733

split-complementary

#33070B #073319 #072133

monochromatic

#1B0406 #1B0406 #33070B #690E17 #9F1622

Accessibility & contrast

On white

17.86

#33070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#33070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33070B

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33070B	#FFFFFF	#000000	##FFFFFF
##33070B	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110B

Deuteranopia (green-blind)

#1E1B0A

Tritanopia (blue-blind)

#390009

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #33070b;
/* rgb */ color: rgb(51, 7, 11);
/* oklch */ color: oklch(21.5% 0.070 20.3);

Tailwind

colors: {
  custom: {
    50: '#6e4a4b',
    500: '#33070b',
    950: '#000000',
  },
}

SCSS

$custom: #33070b;
$custom-light: #6e4a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#33070b",
  "rgb": {
    "r": 51,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 354.545,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21511,
    "c": 0.07006,
    "h": 20.3
  },
  "luminance": 0.0088
}

Semantic roles & 50–950 ramp

primary

#33070B

secondary

#23736B

accent

#F2E135

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #33070B

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

Preview Lab → · Contrast checker → · Palette generator →