#42050D#42050D

#42050D is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.090 H 20.3°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).

Color values

HEX#42050D
RGBrgb(66, 5, 13)
HSLhsl(352, 86%, 14%)
HSVhsv(352, 92%, 26%)
CMYKcmyk(0%, 92.4%, 80.3%, 74.1%)
CIE-LABlab(11.25, 28.70, 12.16)
CIE-LCHlch(11.25, 31.17, 22.96°)
OKLaboklab(24.61% 0.0845 0.0313)
OKLCHoklch(24.61% 0.09 20.3)
XYZxyz(2.3740, 1.2962, 0.5059)
Luminance0.0130 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42050D #05423A
analogous
#42052C #42050D #421C05
triadic
#42050D #0D4205 #050D42
tetradic
#42050D #2C4205 #05423A #1C0542
square
#42050D #2C4205 #05423A #1C0542
split-complementary
#42050D #05421C #052C42
monochromatic
#1C0206 #1C0206 #42050D #7B0918 #B40E23

Accessibility & contrast

On white

16.68
#42050D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#42050D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42050D
16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42050D#FFFFFF#000000##FFFFFF
##42050D1.0016.681.2616.68
#FFFFFF16.681.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#18160D
Deuteranopia (green-blind)
#27230B
Tritanopia (blue-blind)
#4A0008
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #42050d;
/* rgb */ color: rgb(66, 5, 13);
/* oklch */ color: oklch(24.6% 0.090 20.3);
Tailwind
colors: {
  custom: {
    50: '#7c4c4c',
    500: '#42050d',
    950: '#000000',
  },
}
SCSS
$custom: #42050d;
$custom-light: #7c4c4c;
$custom-dark: #000000;
JSON
{
  "hex": "#42050d",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 352.131,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24611,
    "c": 0.09009,
    "h": 20.3
  },
  "luminance": 0.01296
}

Semantic roles & 50–950 ramp

primary
#42050D
secondary
#208276
accent
#FCE12C
background
#F8F4F4
surface
#EFE7E7
border
#CAC3C3
text
#0A0101
muted
#7C7777

Preview Lab

Preview with #42050D

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

Preview Lab → · Contrast checker → · Palette generator →

#42050D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva