#330F0A#330F0A

#330F0A is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.7% C 0.060 H 30.3°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#330F0A
RGB	rgb(51, 15, 10)
HSL	hsl(7, 67%, 12%)
HSV	hsv(7, 80%, 20%)
CMYK	cmyk(0%, 70.6%, 80.4%, 80%)
CIE-LAB	lab(9.54, 17.81, 10.60)
CIE-LCH	lch(9.54, 20.72, 30.76°)
OKLab	oklab(22.7% 0.0515 0.0301)
OKLCH	oklch(22.7% 0.06 30.3)
XYZ	xyz(1.5910, 1.0676, 0.4094)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330F0A #0A2E33

analogous

#330A1A #330F0A #33240A

triadic

#330F0A #0A330F #0F0A33

tetradic

#330F0A #1A330A #0A2E33 #240A33

square

#330F0A #1A330A #0A2E33 #240A33

split-complementary

#330F0A #0A3324 #0A1A33

monochromatic

#1A0805 #1A0805 #330F0A #661E14 #992D1E

Accessibility & contrast

On white

17.31

#330F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#330F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330F0A

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330F0A	#FFFFFF	#000000	##FFFFFF
##330F0A	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191609

Deuteranopia (green-blind)

#211D09

Tritanopia (blue-blind)

#39080E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #330f0a;
/* rgb */ color: rgb(51, 15, 10);
/* oklch */ color: oklch(22.7% 0.060 30.3);

Tailwind

colors: {
  custom: {
    50: '#6e4f4b',
    500: '#330f0a',
    950: '#000000',
  },
}

SCSS

$custom: #330f0a;
$custom-light: #6e4f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#330f0a",
  "rgb": {
    "r": 51,
    "g": 15,
    "b": 10
  },
  "hsl": {
    "h": 7.317,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22698,
    "c": 0.05965,
    "h": 30.3
  },
  "luminance": 0.01067
}

Semantic roles & 50–950 ramp

primary

#330F0A

secondary

#286870

accent

#D5EA3E

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #330F0A

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

Preview Lab → · Contrast checker → · Palette generator →