#421F0B#421F0B

#421F0B is a dark, moderate orange. Relative luminance 0.022; OKLCH L 28.4% C 0.062 H 48.0°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX#421F0B
RGBrgb(66, 31, 11)
HSLhsl(22, 71%, 15%)
HSVhsv(22, 83%, 26%)
CMYKcmyk(0%, 53%, 83.3%, 74.1%)
CIE-LABlab(16.32, 15.07, 19.74)
CIE-LCHlch(16.32, 24.84, 52.65°)
OKLaboklab(28.42% 0.0415 0.0462)
OKLCHoklch(28.42% 0.062 48)
XYZxyz(2.7974, 2.1627, 0.5867)
Luminance0.0216 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#421F0B #0B2E42
analogous
#420B12 #421F0B #423A0B
triadic
#421F0B #0B421F #1F0B42
tetradic
#421F0B #12420B #0B2E42 #3A0B42
square
#421F0B #12420B #0B2E42 #3A0B42
split-complementary
#421F0B #0B423A #0B1242
monochromatic
#1A0C04 #1A0C04 #421F0B #763814 #AB501C

Accessibility & contrast

On white

14.66
#421F0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.43
#421F0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F0B
14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##421F0B#FFFFFF#000000##FFFFFF
##421F0B1.0014.661.4314.66
#FFFFFF14.661.0021.001.00
#0000001.4321.001.0021.00
##FFFFFF14.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#292409
Deuteranopia (green-blind)
#312B0A
Tritanopia (blue-blind)
#49181B
Achromatopsia (no color)
#282828

Design tokens & code

CSS
--color: #421f0b;
/* rgb */ color: rgb(66, 31, 11);
/* oklch */ color: oklch(28.4% 0.062 48.0);
Tailwind
colors: {
  custom: {
    50: '#7a5b4c',
    500: '#421f0b',
    950: '#000000',
  },
}
SCSS
$custom: #421f0b;
$custom-light: #7a5b4c;
$custom-dark: #000000;
JSON
{
  "hex": "#421f0b",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 11
  },
  "hsl": {
    "h": 21.818,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.28423,
    "c": 0.06209,
    "h": 48
  },
  "luminance": 0.02162
}

Semantic roles & 50–950 ramp

primary
#421F0B
secondary
#2A607F
accent
#ADEE3A
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0401
muted
#7C7977

Preview Lab

Preview with #421F0B

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

Preview Lab → · Contrast checker → · Palette generator →

#421F0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva