#330504#330504

#330504 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.074 H 27.7°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#330504
RGB	rgb(51, 5, 4)
HSL	hsl(1, 85%, 11%)
HSV	hsv(1, 92%, 20%)
CMYK	cmyk(0%, 90.2%, 92.2%, 80%)
CIE-LAB	lab(7.42, 22.82, 9.97)
CIE-LCH	lch(7.42, 24.91, 23.59°)
OKLab	oklab(21.06% 0.0655 0.0344)
OKLCH	oklch(21.06% 0.074 27.7)
XYZ	xyz(1.4416, 0.8213, 0.1975)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330504 #043233

analogous

#33041A #330504 #331C04

triadic

#330504 #043305 #050433

tetradic

#330504 #1A3304 #043233 #1C0433

square

#330504 #1A3304 #043233 #1C0433

split-complementary

#330504 #04331C #041A33

monochromatic

#1C0302 #1C0302 #330504 #6C0B08 #A4100D

Accessibility & contrast

On white

18.04

#330504 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#330504 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330504

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330504	#FFFFFF	#000000	##FFFFFF
##330504	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131004

Deuteranopia (green-blind)

#1E1A03

Tritanopia (blue-blind)

#390005

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330504;
/* rgb */ color: rgb(51, 5, 4);
/* oklch */ color: oklch(21.1% 0.074 27.7);

Tailwind

colors: {
  custom: {
    50: '#6f4948',
    500: '#330504',
    950: '#000000',
  },
}

SCSS

$custom: #330504;
$custom-light: #6f4948;
$custom-dark: #000000;

JSON

{
  "hex": "#330504",
  "rgb": {
    "r": 51,
    "g": 5,
    "b": 4
  },
  "hsl": {
    "h": 1.277,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21059,
    "c": 0.074,
    "h": 27.7
  },
  "luminance": 0.00821
}

Semantic roles & 50–950 ramp

primary

#330504

secondary

#1D7375

accent

#F7FC2C

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #330504

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

Preview Lab → · Contrast checker → · Palette generator →