#21090E#21090E

#21090E is a very dark, muted red. Relative luminance 0.005; OKLCH L 18.2% C 0.042 H 9.1°. Best body text is #FFFFFF at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#21090E
RGB	rgb(33, 9, 14)
HSL	hsl(348, 57%, 8%)
HSV	hsv(348, 73%, 13%)
CMYK	cmyk(0%, 72.7%, 57.6%, 87.1%)
CIE-LAB	lab(4.97, 11.51, 1.72)
CIE-LCH	lch(4.97, 11.64, 8.49°)
OKLab	oklab(18.19% 0.0413 0.0066)
OKLCH	oklch(18.19% 0.042 9.1)
XYZ	xyz(0.8042, 0.5505, 0.4793)
Luminance	0.0055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21090E #09211C

analogous

#21091A #21090E #211009

triadic

#21090E #0E2109 #090E21

tetradic

#21090E #1A2109 #09211C #100921

square

#21090E #1A2109 #09211C #100921

split-complementary

#21090E #092110 #091A21

monochromatic

#18070A #18070A #21090E #511622 #812337

Accessibility & contrast

On white

18.92

#21090E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#21090E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21090E

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21090E	#FFFFFF	#000000	##FFFFFF
##21090E	1.00	18.92	1.11	18.92
#FFFFFF	18.92	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0E0E

Deuteranopia (green-blind)

#14130D

Tritanopia (blue-blind)

#25070B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #21090e;
/* rgb */ color: rgb(33, 9, 14);
/* oklch */ color: oklch(18.2% 0.042 9.1);

Tailwind

colors: {
  custom: {
    50: '#5c4a4d',
    500: '#21090e',
    950: '#000000',
  },
}

SCSS

$custom: #21090e;
$custom-light: #5c4a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#21090e",
  "rgb": {
    "r": 33,
    "g": 9,
    "b": 14
  },
  "hsl": {
    "h": 347.5,
    "s": 57.143,
    "l": 8.235
  },
  "oklch": {
    "l": 0.18187,
    "c": 0.04181,
    "h": 9.1
  },
  "luminance": 0.0055
}

Semantic roles & 50–950 ramp

primary

#21090E

secondary

#285E53

accent

#E0C147

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #21090E

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

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