#42080B#42080B

#42080B is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.087 H 23.8°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX#42080B
RGBrgb(66, 8, 11)
HSLhsl(357, 78%, 15%)
HSVhsv(357, 88%, 26%)
CMYKcmyk(0%, 87.9%, 83.3%, 74.1%)
CIE-LABlab(11.66, 27.33, 13.64)
CIE-LCHlch(11.66, 30.54, 26.53°)
OKLaboklab(24.91% 0.0795 0.0351)
OKLCHoklch(24.91% 0.087 23.8)
XYZxyz(2.3943, 1.3565, 0.4523)
Luminance0.0136 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42080B #08423F
analogous
#420828 #42080B #422208
triadic
#42080B #0B4208 #080B42
tetradic
#42080B #284208 #08423F #220842
square
#42080B #284208 #08423F #220842
split-complementary
#42080B #084222 #082842
monochromatic
#1B0305 #1B0305 #42080B #790F14 #AF151D

Accessibility & contrast

On white

16.52
#42080B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#42080B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42080B
16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42080B#FFFFFF#000000##FFFFFF
##42080B1.0016.521.2716.52
#FFFFFF16.521.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A170B
Deuteranopia (green-blind)
#282309
Tritanopia (blue-blind)
#4A000A
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #42080b;
/* rgb */ color: rgb(66, 8, 11);
/* oklch */ color: oklch(24.9% 0.087 23.8);
Tailwind
colors: {
  custom: {
    50: '#7c4e4b',
    500: '#42080b',
    950: '#000000',
  },
}
SCSS
$custom: #42080b;
$custom-light: #7c4e4b;
$custom-dark: #000000;
JSON
{
  "hex": "#42080b",
  "rgb": {
    "r": 66,
    "g": 8,
    "b": 11
  },
  "hsl": {
    "h": 356.897,
    "s": 78.378,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24908,
    "c": 0.08694,
    "h": 23.8
  },
  "luminance": 0.01356
}

Semantic roles & 50–950 ramp

primary
#42080B
secondary
#25807C
accent
#F5EB33
background
#F8F4F4
surface
#EFE7E7
border
#CAC3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #42080B

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

Preview Lab → · Contrast checker → · Palette generator →

#42080B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva