#421F0A#421F0A

#421F0A is a dark, moderate orange. Relative luminance 0.022; OKLCH L 28.4% C 0.063 H 48.9°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX#421F0A
RGBrgb(66, 31, 10)
HSLhsl(23, 74%, 15%)
HSVhsv(23, 85%, 26%)
CMYKcmyk(0%, 53%, 84.8%, 74.1%)
CIE-LABlab(16.31, 15.01, 20.15)
CIE-LCHlch(16.31, 25.13, 53.31°)
OKLaboklab(28.41% 0.0412 0.0471)
OKLCHoklch(28.41% 0.063 48.9)
XYZxyz(2.7918, 2.1605, 0.5571)
Luminance0.0216 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#421F0A #0A2D42
analogous
#420A11 #421F0A #423B0A
triadic
#421F0A #0A421F #1F0A42
tetradic
#421F0A #11420A #0A2D42 #3B0A42
square
#421F0A #11420A #0A2D42 #3B0A42
split-complementary
#421F0A #0A423B #0A1142
monochromatic
#1B0C04 #1B0C04 #421F0A #773812 #AC511A

Accessibility & contrast

On white

14.66
#421F0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.43
#421F0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F0A
14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##421F0A#FFFFFF#000000##FFFFFF
##421F0A1.0014.661.4314.66
#FFFFFF14.661.0021.001.00
#0000001.4321.001.0021.00
##FFFFFF14.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#292408
Deuteranopia (green-blind)
#312B0A
Tritanopia (blue-blind)
#49181B
Achromatopsia (no color)
#282828

Design tokens & code

CSS
--color: #421f0a;
/* rgb */ color: rgb(66, 31, 10);
/* oklch */ color: oklch(28.4% 0.063 48.9);
Tailwind
colors: {
  custom: {
    50: '#7a5b4b',
    500: '#421f0a',
    950: '#000000',
  },
}
SCSS
$custom: #421f0a;
$custom-light: #7a5b4b;
$custom-dark: #000000;
JSON
{
  "hex": "#421f0a",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 10
  },
  "hsl": {
    "h": 22.5,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.28411,
    "c": 0.06258,
    "h": 48.9
  },
  "luminance": 0.0216
}

Semantic roles & 50–950 ramp

primary
#421F0A
secondary
#295F7F
accent
#ABF037
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0401
muted
#7C7977

Preview Lab

Preview with #421F0A

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

Preview Lab → · Contrast checker → · Palette generator →

#421F0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva