#902121#902121

#902121 is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.2% C 0.147 H 25.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#902121
RGBrgb(144, 33, 33)
HSLhsl(0, 63%, 35%)
HSVhsv(0, 77%, 56%)
CMYKcmyk(0%, 77.1%, 77.1%, 43.5%)
CIE-LABlab(32.10, 45.73, 28.74)
CIE-LCHlch(32.10, 54.01, 32.14°)
OKLaboklab(43.23% 0.1322 0.0641)
OKLCHoklch(43.23% 0.147 25.9)
XYZxyz(12.3214, 7.1287, 2.1658)
Luminance0.0713 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#902121 #219090
analogous
#902159 #902121 #905921
triadic
#902121 #219021 #212190
tetradic
#902121 #599021 #219090 #592190
square
#902121 #599021 #219090 #592190
split-complementary
#902121 #219059 #215990
monochromatic
#2C0A0A #5E1616 #902121 #C22C2C #D85454

Accessibility & contrast

On white

8.66
#902121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.43
#902121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #902121
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##902121#FFFFFF#000000##FFFFFF
##9021211.008.662.438.66
#FFFFFF8.661.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#433C20
Deuteranopia (green-blind)
#5E541D
Tritanopia (blue-blind)
#9F0023
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #902121;
/* rgb */ color: rgb(144, 33, 33);
/* oklch */ color: oklch(43.2% 0.147 25.9);
Tailwind
colors: {
  custom: {
    50: '#b9665c',
    500: '#902121',
    950: '#000000',
  },
}
SCSS
$custom: #902121;
$custom-light: #b9665c;
$custom-dark: #000000;
JSON
{
  "hex": "#902121",
  "rgb": {
    "r": 144,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 62.712,
    "l": 34.706
  },
  "oklch": {
    "l": 0.4323,
    "c": 0.14694,
    "h": 25.9
  },
  "luminance": 0.07127
}

Semantic roles & 50–950 ramp

primary
#902121
secondary
#51BBBB
accent
#E6E642
background
#FCF6F5
surface
#F8EBE9
border
#D1C6C5
text
#130604
muted
#827A79

Preview Lab

Preview with #902121

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

Preview Lab → · Contrast checker → · Palette generator →

#902121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva