#421E1E#421E1E

#421E1E is a dark, muted red. Relative luminance 0.022; OKLCH L 28.6% C 0.056 H 21.2°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX#421E1E
RGBrgb(66, 30, 30)
HSLhsl(0, 38%, 19%)
HSVhsv(0, 55%, 26%)
CMYKcmyk(0%, 54.5%, 54.5%, 74.1%)
CIE-LABlab(16.41, 17.36, 8.00)
CIE-LCHlch(16.41, 19.11, 24.73°)
OKLaboklab(28.6% 0.0521 0.0202)
OKLCHoklch(28.6% 0.056 21.2)
XYZxyz(2.9456, 2.1808, 1.4939)
Luminance0.0218 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#421E1E #1E4242
analogous
#421E30 #421E1E #42301E
triadic
#421E1E #1E421E #1E1E42
tetradic
#421E1E #30421E #1E4242 #301E42
square
#421E1E #30421E #1E4242 #301E42
split-complementary
#421E1E #1E4230 #1E3042
monochromatic
#150A0A #180B0B #421E1E #6C3131 #964444

Accessibility & contrast

On white

14.62
#421E1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#421E1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421E1E
14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##421E1E#FFFFFF#000000##FFFFFF
##421E1E1.0014.621.4414.62
#FFFFFF14.621.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#26241E
Deuteranopia (green-blind)
#2F2B1D
Tritanopia (blue-blind)
#48191E
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #421e1e;
/* rgb */ color: rgb(66, 30, 30);
/* oklch */ color: oklch(28.6% 0.056 21.2);
Tailwind
colors: {
  custom: {
    50: '#795b59',
    500: '#421e1e',
    950: '#000000',
  },
}
SCSS
$custom: #421e1e;
$custom-light: #795b59;
$custom-dark: #000000;
JSON
{
  "hex": "#421e1e",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 30
  },
  "hsl": {
    "h": 0,
    "s": 37.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28604,
    "c": 0.05585,
    "h": 21.2
  },
  "luminance": 0.02181
}

Semantic roles & 50–950 ramp

primary
#421E1E
secondary
#457777
accent
#CDCD5A
background
#F7F5F5
surface
#EEE9E9
border
#C9C5C5
text
#090403
muted
#7B7978

Preview Lab

Preview with #421E1E

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

Preview Lab → · Contrast checker → · Palette generator →

#421E1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva