#33040C#33040C

#33040C is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.075 H 16.3°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#33040C
RGB	rgb(51, 4, 12)
HSL	hsl(350, 85%, 11%)
HSV	hsv(350, 92%, 20%)
CMYK	cmyk(0%, 92.2%, 76.5%, 80%)
CIE-LAB	lab(7.38, 23.93, 6.61)
CIE-LCH	lch(7.38, 24.83, 15.44°)
OKLab	oklab(21.09% 0.0717 0.021)
OKLCH	oklch(21.09% 0.075 16.3)
XYZ	xyz(1.4752, 0.8174, 0.4279)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33040C #04332B

analogous

#330423 #33040C #331304

triadic

#33040C #0C3304 #040C33

tetradic

#33040C #233304 #04332B #130433

square

#33040C #233304 #04332B #130433

split-complementary

#33040C #043313 #042333

monochromatic

#1C0207 #1C0207 #33040C #6C0819 #A40D27

Accessibility & contrast

On white

18.05

#33040C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#33040C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33040C

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33040C	#FFFFFF	#000000	##FFFFFF
##33040C	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11100C

Deuteranopia (green-blind)

#1D1A0B

Tritanopia (blue-blind)

#390007

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #33040c;
/* rgb */ color: rgb(51, 4, 12);
/* oklch */ color: oklch(21.1% 0.075 16.3);

Tailwind

colors: {
  custom: {
    50: '#6f494c',
    500: '#33040c',
    950: '#000000',
  },
}

SCSS

$custom: #33040c;
$custom-light: #6f494c;
$custom-dark: #000000;

JSON

{
  "hex": "#33040c",
  "rgb": {
    "r": 51,
    "g": 4,
    "b": 12
  },
  "hsl": {
    "h": 349.787,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21085,
    "c": 0.07466,
    "h": 16.3
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#33040C

secondary

#1D7566

accent

#FCD82C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #33040C

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

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