#421B0A#421B0A

#421B0A is a dark, moderate orange. Relative luminance 0.020; OKLCH L 27.6% C 0.066 H 42.6°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX#421B0A
RGBrgb(66, 27, 10)
HSLhsl(18, 74%, 15%)
HSVhsv(18, 85%, 26%)
CMYKcmyk(0%, 59.1%, 84.8%, 74.1%)
CIE-LABlab(15.30, 17.53, 18.88)
CIE-LCHlch(15.30, 25.76, 47.12°)
OKLaboklab(27.64% 0.0488 0.0449)
OKLCHoklch(27.64% 0.066 42.6)
XYZxyz(2.6937, 1.9644, 0.5244)
Luminance0.0196 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#421B0A #0A3142
analogous
#420A15 #421B0A #42370A
triadic
#421B0A #0A421B #1B0A42
tetradic
#421B0A #15420A #0A3142 #370A42
square
#421B0A #15420A #0A3142 #370A42
split-complementary
#421B0A #0A4237 #0A1542
monochromatic
#1B0B04 #1B0B04 #421B0A #773112 #AC461A

Accessibility & contrast

On white

15.08
#421B0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.39
#421B0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B0A
15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##421B0A#FFFFFF#000000##FFFFFF
##421B0A1.0015.081.3915.08
#FFFFFF15.081.0021.001.00
#0000001.3921.001.0021.00
##FFFFFF15.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#262108
Deuteranopia (green-blind)
#2F2A09
Tritanopia (blue-blind)
#491317
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #421b0a;
/* rgb */ color: rgb(66, 27, 10);
/* oklch */ color: oklch(27.6% 0.066 42.6);
Tailwind
colors: {
  custom: {
    50: '#7a584b',
    500: '#421b0a',
    950: '#000000',
  },
}
SCSS
$custom: #421b0a;
$custom-light: #7a584b;
$custom-dark: #000000;
JSON
{
  "hex": "#421b0a",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 10
  },
  "hsl": {
    "h": 18.214,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2764,
    "c": 0.06631,
    "h": 42.6
  },
  "luminance": 0.01964
}

Semantic roles & 50–950 ramp

primary
#421B0A
secondary
#29657F
accent
#B8F037
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0301
muted
#7C7877

Preview Lab

Preview with #421B0A

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

Preview Lab → · Contrast checker → · Palette generator →

#421B0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva