#330B11#330B11

#330B11 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.064 H 15.3°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#330B11
RGB	rgb(51, 11, 17)
HSL	hsl(351, 65%, 12%)
HSV	hsv(351, 78%, 20%)
CMYK	cmyk(0%, 78.4%, 66.7%, 80%)
CIE-LAB	lab(8.86, 20.64, 6.16)
CIE-LCH	lch(8.86, 21.54, 16.63°)
OKLab	oklab(22.23% 0.062 0.017)
OKLCH	oklch(22.23% 0.064 15.3)
XYZ	xyz(1.5862, 0.9838, 0.6366)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B11 #0B332D

analogous

#330B25 #330B11 #33190B

triadic

#330B11 #11330B #0B1133

tetradic

#330B11 #25330B #0B332D #190B33

square

#330B11 #25330B #0B332D #190B33

split-complementary

#330B11 #0B3319 #0B2533

monochromatic

#190508 #190508 #330B11 #651622 #982133

Accessibility & contrast

On white

17.55

#330B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B11

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B11	#FFFFFF	#000000	##FFFFFF
##330B11	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151411

Deuteranopia (green-blind)

#1F1C10

Tritanopia (blue-blind)

#39040D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b11;
/* rgb */ color: rgb(51, 11, 17);
/* oklch */ color: oklch(22.2% 0.064 15.3);

Tailwind

colors: {
  custom: {
    50: '#6e4d4f',
    500: '#330b11',
    950: '#000000',
  },
}

SCSS

$custom: #330b11;
$custom-light: #6e4d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#330b11",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 17
  },
  "hsl": {
    "h": 351,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22232,
    "c": 0.06429,
    "h": 15.3
  },
  "luminance": 0.00984
}

Semantic roles & 50–950 ramp

primary

#330B11

secondary

#2A7065

accent

#E8CE40

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #330B11

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

Preview Lab → · Contrast checker → · Palette generator →