#33070A#33070A

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

Color values

HEX	#33070A
RGB	rgb(51, 7, 10)
HSL	hsl(356, 76%, 11%)
HSV	hsv(356, 86%, 20%)
CMYK	cmyk(0%, 86.3%, 80.4%, 80%)
CIE-LAB	lab(7.93, 22.16, 8.27)
CIE-LCH	lch(7.93, 23.66, 20.46°)
OKLab	oklab(21.49% 0.0653 0.0257)
OKLCH	oklch(21.49% 0.07 21.5)
XYZ	xyz(1.4962, 0.8779, 0.3778)
Luminance	0.0088 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33070A #073330

analogous

#330720 #33070A #331A07

triadic

#33070A #0A3307 #070A33

tetradic

#33070A #203307 #073330 #1A0733

square

#33070A #203307 #073330 #1A0733

split-complementary

#33070A #07331A #072033

monochromatic

#1B0405 #1B0405 #33070A #690E15 #9F161F

Accessibility & contrast

On white

17.86

#33070A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#33070A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33070A

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33070A	#FFFFFF	#000000	##FFFFFF
##33070A	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)

#13110A

Deuteranopia (green-blind)

#1E1B09

Tritanopia (blue-blind)

#390008

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #33070a;
/* rgb */ color: rgb(51, 7, 10);
/* oklch */ color: oklch(21.5% 0.070 21.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#33070a",
  "rgb": {
    "r": 51,
    "g": 7,
    "b": 10
  },
  "hsl": {
    "h": 355.909,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21489,
    "c": 0.07014,
    "h": 21.5
  },
  "luminance": 0.00878
}

Semantic roles & 50–950 ramp

primary

#33070A

secondary

#23736D

accent

#F2E635

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #33070A

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

Preview Lab → · Contrast checker → · Palette generator →