#330B13#330B13

#330B13 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.064 H 12.2°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#330B13
RGB	rgb(51, 11, 19)
HSL	hsl(348, 65%, 12%)
HSV	hsv(348, 78%, 20%)
CMYK	cmyk(0%, 78.4%, 62.7%, 80%)
CIE-LAB	lab(8.91, 20.84, 5.03)
CIE-LCH	lch(8.91, 21.43, 13.56°)
OKLab	oklab(22.29% 0.063 0.0136)
OKLCH	oklch(22.29% 0.064 12.2)
XYZ	xyz(1.6026, 0.9904, 0.7227)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B13 #0B332B

analogous

#330B27 #330B13 #33170B

triadic

#330B13 #13330B #0B1333

tetradic

#330B13 #27330B #0B332B #170B33

square

#330B13 #27330B #0B332B #170B33

split-complementary

#330B13 #0B3317 #0B2733

monochromatic

#190509 #190509 #330B13 #651626 #982139

Accessibility & contrast

On white

17.53

#330B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B13

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B13	#FFFFFF	#000000	##FFFFFF
##330B13	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141413

Deuteranopia (green-blind)

#1F1C12

Tritanopia (blue-blind)

#38050E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b13;
/* rgb */ color: rgb(51, 11, 19);
/* oklch */ color: oklch(22.3% 0.064 12.2);

Tailwind

colors: {
  custom: {
    50: '#6e4d50',
    500: '#330b13',
    950: '#000000',
  },
}

SCSS

$custom: #330b13;
$custom-light: #6e4d50;
$custom-dark: #000000;

JSON

{
  "hex": "#330b13",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 19
  },
  "hsl": {
    "h": 348,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22291,
    "c": 0.06444,
    "h": 12.2
  },
  "luminance": 0.0099
}

Semantic roles & 50–950 ramp

primary

#330B13

secondary

#2A7062

accent

#E8C640

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #330B13

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

Preview Lab → · Contrast checker → · Palette generator →