#330B15#330B15

#330B15 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.065 H 9.0°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#330B15
RGB	rgb(51, 11, 21)
HSL	hsl(345, 65%, 12%)
HSV	hsv(345, 78%, 20%)
CMYK	cmyk(0%, 78.4%, 58.8%, 80%)
CIE-LAB	lab(8.97, 21.05, 3.79)
CIE-LCH	lch(8.97, 21.39, 10.20°)
OKLab	oklab(22.35% 0.064 0.0101)
OKLCH	oklch(22.35% 0.065 9)
XYZ	xyz(1.6204, 0.9975, 0.8165)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B15 #0B3329

analogous

#330B29 #330B15 #33150B

triadic

#330B15 #15330B #0B1533

tetradic

#330B15 #29330B #0B3329 #150B33

square

#330B15 #29330B #0B3329 #150B33

split-complementary

#330B15 #0B3315 #0B2933

monochromatic

#19050A #19050A #330B15 #65162A #98213E

Accessibility & contrast

On white

17.51

#330B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B15

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B15	#FFFFFF	#000000	##FFFFFF
##330B15	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141415

Deuteranopia (green-blind)

#1E1C14

Tritanopia (blue-blind)

#38050F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b15;
/* rgb */ color: rgb(51, 11, 21);
/* oklch */ color: oklch(22.4% 0.065 9.0);

Tailwind

colors: {
  custom: {
    50: '#6e4d52',
    500: '#330b15',
    950: '#000000',
  },
}

SCSS

$custom: #330b15;
$custom-light: #6e4d52;
$custom-dark: #000000;

JSON

{
  "hex": "#330b15",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 21
  },
  "hsl": {
    "h": 345,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22354,
    "c": 0.06476,
    "h": 9
  },
  "luminance": 0.00997
}

Semantic roles & 50–950 ramp

primary

#330B15

secondary

#2A705E

accent

#E8BE40

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #330B15

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

Preview Lab → · Contrast checker → · Palette generator →