#210204#210204

#210204 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.3% C 0.057 H 20.7°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#210204
RGB	rgb(33, 2, 4)
HSL	hsl(356, 89%, 7%)
HSV	hsv(356, 94%, 13%)
CMYK	cmyk(0%, 93.9%, 87.9%, 87.1%)
CIE-LAB	lab(3.39, 12.86, 3.68)
CIE-LCH	lch(3.39, 13.37, 15.95°)
OKLab	oklab(16.25% 0.0535 0.0203)
OKLCH	oklch(16.25% 0.057 20.7)
XYZ	xyz(0.6709, 0.3756, 0.1520)
Luminance	0.0038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210204 #02211F

analogous

#210214 #210204 #211002

triadic

#210204 #042102 #020421

tetradic

#210204 #142102 #02211F #100221

square

#210204 #142102 #02211F #100221

split-complementary

#210204 #022110 #021421

monochromatic

#1D0203 #1D0203 #210204 #5B050B #940912

Accessibility & contrast

On white

19.53

#210204 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#210204 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210204

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210204	#FFFFFF	#000000	##FFFFFF
##210204	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090804

Deuteranopia (green-blind)

#120F03

Tritanopia (blue-blind)

#250003

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #210204;
/* rgb */ color: rgb(33, 2, 4);
/* oklch */ color: oklch(16.3% 0.057 20.7);

Tailwind

colors: {
  custom: {
    50: '#5c4748',
    500: '#210204',
    950: '#000000',
  },
}

SCSS

$custom: #210204;
$custom-light: #5c4748;
$custom-dark: #000000;

JSON

{
  "hex": "#210204",
  "rgb": {
    "r": 33,
    "g": 2,
    "b": 4
  },
  "hsl": {
    "h": 356.129,
    "s": 88.571,
    "l": 6.863
  },
  "oklch": {
    "l": 0.16253,
    "c": 0.05724,
    "h": 20.7
  },
  "luminance": 0.00376
}

Semantic roles & 50–950 ramp

primary

#210204

secondary

#186762

accent

#FFF129

background

#F5F4F4

surface

#E9E6E6

border

#C5C2C2

text

#040000

muted

#797777

Preview Lab

Preview with #210204

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

Preview Lab → · Contrast checker → · Palette generator →