#330F0B#330F0B

#330F0B is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.7% C 0.059 H 28.9°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#330F0B
RGB	rgb(51, 15, 11)
HSL	hsl(6, 65%, 12%)
HSV	hsv(6, 78%, 20%)
CMYK	cmyk(0%, 70.6%, 78.4%, 80%)
CIE-LAB	lab(9.56, 17.88, 10.20)
CIE-LCH	lch(9.56, 20.59, 29.71°)
OKLab	oklab(22.72% 0.052 0.0287)
OKLCH	oklch(22.72% 0.059 28.9)
XYZ	xyz(1.5966, 1.0698, 0.4390)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330F0B #0B2F33

analogous

#330B1B #330F0B #33230B

triadic

#330F0B #0B330F #0F0B33

tetradic

#330F0B #1B330B #0B2F33 #230B33

square

#330F0B #1B330B #0B2F33 #230B33

split-complementary

#330F0B #0B3323 #0B1B33

monochromatic

#190705 #190705 #330F0B #651E16 #982D21

Accessibility & contrast

On white

17.30

#330F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#330F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330F0B

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330F0B	#FFFFFF	#000000	##FFFFFF
##330F0B	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160A

Deuteranopia (green-blind)

#211E0A

Tritanopia (blue-blind)

#39080E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #330f0b;
/* rgb */ color: rgb(51, 15, 11);
/* oklch */ color: oklch(22.7% 0.059 28.9);

Tailwind

colors: {
  custom: {
    50: '#6e4f4b',
    500: '#330f0b',
    950: '#000000',
  },
}

SCSS

$custom: #330f0b;
$custom-light: #6e4f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#330f0b",
  "rgb": {
    "r": 51,
    "g": 15,
    "b": 11
  },
  "hsl": {
    "h": 6,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22717,
    "c": 0.05938,
    "h": 28.9
  },
  "luminance": 0.0107
}

Semantic roles & 50–950 ramp

primary

#330F0B

secondary

#2A6970

accent

#D7E840

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #330F0B

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

Preview Lab → · Contrast checker → · Palette generator →