#330B03#330B03

#330B03 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.9% C 0.067 H 35.3°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#330B03
RGB	rgb(51, 11, 3)
HSL	hsl(10, 89%, 11%)
HSV	hsv(10, 94%, 20%)
CMYK	cmyk(0%, 78.4%, 94.1%, 80%)
CIE-LAB	lab(8.57, 19.57, 12.05)
CIE-LCH	lch(8.57, 22.98, 31.62°)
OKLab	oklab(21.92% 0.0547 0.0387)
OKLCH	oklch(21.92% 0.067 35.3)
XYZ	xyz(1.5015, 0.9499, 0.1904)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B03 #032B33

analogous

#330313 #330B03 #332303

triadic

#330B03 #03330B #0B0333

tetradic

#330B03 #133303 #032B33 #230333

square

#330B03 #133303 #032B33 #230333

split-complementary

#330B03 #033323 #031333

monochromatic

#1D0602 #1D0602 #330B03 #6D1706 #A7240A

Accessibility & contrast

On white

17.65

#330B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#330B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B03

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B03	#FFFFFF	#000000	##FFFFFF
##330B03	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171302

Deuteranopia (green-blind)

#211C02

Tritanopia (blue-blind)

#390209

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b03;
/* rgb */ color: rgb(51, 11, 3);
/* oklch */ color: oklch(21.9% 0.067 35.3);

Tailwind

colors: {
  custom: {
    50: '#6e4c48',
    500: '#330b03',
    950: '#000000',
  },
}

SCSS

$custom: #330b03;
$custom-light: #6e4c48;
$custom-dark: #000000;

JSON

{
  "hex": "#330b03",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 10,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21923,
    "c": 0.06702,
    "h": 35.3
  },
  "luminance": 0.0095
}

Semantic roles & 50–950 ramp

primary

#330B03

secondary

#1C6776

accent

#DBFF29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330B03

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

Preview Lab → · Contrast checker → · Palette generator →