#42270B#42270B

#42270B is a dark, muted orange. Relative luminance 0.026; OKLCH L 30.1% C 0.057 H 63.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX#42270B
RGBrgb(66, 39, 11)
HSLhsl(31, 71%, 15%)
HSVhsv(31, 83%, 26%)
CMYKcmyk(0%, 40.9%, 83.3%, 74.1%)
CIE-LABlab(18.51, 9.83, 22.40)
CIE-LCHlch(18.51, 24.46, 66.31°)
OKLaboklab(30.12% 0.0258 0.0511)
OKLCHoklch(30.12% 0.057 63.2)
XYZxyz(3.0329, 2.6337, 0.6652)
Luminance0.0263 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42270B #0B2642
analogous
#420B0B #42270B #42420B
triadic
#42270B #0B4227 #270B42
tetradic
#42270B #0B420B #0B2642 #420B42
square
#42270B #0B420B #0B2642 #420B42
split-complementary
#42270B #0B4242 #0B0B42
monochromatic
#1A0F04 #1A0F04 #42270B #764614 #AB651C

Accessibility & contrast

On white

13.76
#42270B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.53
#42270B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42270B
13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42270B#FFFFFF#000000##FFFFFF
##42270B1.0013.761.5313.76
#FFFFFF13.761.0021.001.00
#0000001.5321.001.0021.00
##FFFFFF13.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2908
Deuteranopia (green-blind)
#36300B
Tritanopia (blue-blind)
#492121
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #42270b;
/* rgb */ color: rgb(66, 39, 11);
/* oklch */ color: oklch(30.1% 0.057 63.2);
Tailwind
colors: {
  custom: {
    50: '#7a614c',
    500: '#42270b',
    950: '#000000',
  },
}
SCSS
$custom: #42270b;
$custom-light: #7a614c;
$custom-dark: #000000;
JSON
{
  "hex": "#42270b",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 11
  },
  "hsl": {
    "h": 30.545,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30115,
    "c": 0.05721,
    "h": 63.2
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary
#42270B
secondary
#2A547F
accent
#92EE3A
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0501
muted
#7C7977

Preview Lab

Preview with #42270B

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

Preview Lab → · Contrast checker → · Palette generator →

#42270B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva