#330304#330304

#330304 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.7% C 0.077 H 25.8°. Best body text is #FFFFFF at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#330304
RGB	rgb(51, 3, 4)
HSL	hsl(359, 89%, 11%)
HSV	hsv(359, 94%, 20%)
CMYK	cmyk(0%, 94.1%, 92.2%, 80%)
CIE-LAB	lab(7.03, 23.89, 9.39)
CIE-LCH	lch(7.03, 25.67, 21.47°)
OKLab	oklab(20.75% 0.0692 0.0335)
OKLCH	oklch(20.75% 0.077 25.8)
XYZ	xyz(1.4199, 0.7779, 0.1902)
Luminance	0.0078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330304 #033332

analogous

#33031C #330304 #331A03

triadic

#330304 #043303 #030433

tetradic

#330304 #1C3303 #033332 #1A0333

square

#330304 #1C3303 #033332 #1A0333

split-complementary

#330304 #03331A #031C33

monochromatic

#1D0202 #1D0202 #330304 #6D0609 #A70A0D

Accessibility & contrast

On white

18.17

#330304 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#330304 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330304

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330304	#FFFFFF	#000000	##FFFFFF
##330304	1.00	18.17	1.16	18.17
#FFFFFF	18.17	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F04

Deuteranopia (green-blind)

#1E1903

Tritanopia (blue-blind)

#390004

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #330304;
/* rgb */ color: rgb(51, 3, 4);
/* oklch */ color: oklch(20.7% 0.077 25.8);

Tailwind

colors: {
  custom: {
    50: '#6f4848',
    500: '#330304',
    950: '#000000',
  },
}

SCSS

$custom: #330304;
$custom-light: #6f4848;
$custom-dark: #000000;

JSON

{
  "hex": "#330304",
  "rgb": {
    "r": 51,
    "g": 3,
    "b": 4
  },
  "hsl": {
    "h": 358.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20747,
    "c": 0.07691,
    "h": 25.8
  },
  "luminance": 0.00778
}

Semantic roles & 50–950 ramp

primary

#330304

secondary

#1C7674

accent

#FFFB29

background

#F7F4F4

surface

#EDE6E6

border

#C8C2C2

text

#080000

muted

#7B7777

Preview Lab

Preview with #330304

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

Preview Lab → · Contrast checker → · Palette generator →