#42240B#42240B

#42240B is a dark, muted orange. Relative luminance 0.024; OKLCH L 29.5% C 0.059 H 57.2°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX#42240B
RGBrgb(66, 36, 11)
HSLhsl(27, 71%, 15%)
HSVhsv(27, 83%, 26%)
CMYKcmyk(0%, 45.5%, 83.3%, 74.1%)
CIE-LABlab(17.67, 11.81, 21.40)
CIE-LCHlch(17.67, 24.44, 61.10°)
OKLaboklab(29.46% 0.0317 0.0492)
OKLCHoklch(29.46% 0.059 57.2)
XYZxyz(2.9383, 2.4445, 0.6336)
Luminance0.0244 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42240B #0B2942
analogous
#420B0D #42240B #42400B
triadic
#42240B #0B4224 #240B42
tetradic
#42240B #0D420B #0B2942 #400B42
square
#42240B #0D420B #0B2942 #400B42
split-complementary
#42240B #0B4240 #0B0D42
monochromatic
#1A0E04 #1A0E04 #42240B #764114 #AB5D1C

Accessibility & contrast

On white

14.11
#42240B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.49
#42240B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42240B
14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42240B#FFFFFF#000000##FFFFFF
##42240B1.0014.111.4914.11
#FFFFFF14.111.0021.001.00
#0000001.4921.001.0021.00
##FFFFFF14.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D2708
Deuteranopia (green-blind)
#342E0B
Tritanopia (blue-blind)
#491E1F
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #42240b;
/* rgb */ color: rgb(66, 36, 11);
/* oklch */ color: oklch(29.5% 0.059 57.2);
Tailwind
colors: {
  custom: {
    50: '#7a5f4c',
    500: '#42240b',
    950: '#000000',
  },
}
SCSS
$custom: #42240b;
$custom-light: #7a5f4c;
$custom-dark: #000000;
JSON
{
  "hex": "#42240b",
  "rgb": {
    "r": 66,
    "g": 36,
    "b": 11
  },
  "hsl": {
    "h": 27.273,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29459,
    "c": 0.05853,
    "h": 57.2
  },
  "luminance": 0.02444
}

Semantic roles & 50–950 ramp

primary
#42240B
secondary
#2A587F
accent
#9CEE3A
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0401
muted
#7C7977

Preview Lab

Preview with #42240B

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

Preview Lab → · Contrast checker → · Palette generator →

#42240B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva