#42090F#42090F

#42090F is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.086 H 20.7°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX#42090F
RGBrgb(66, 9, 15)
HSLhsl(354, 76%, 15%)
HSVhsv(354, 86%, 26%)
CMYKcmyk(0%, 86.4%, 77.3%, 74.1%)
CIE-LABlab(11.88, 27.14, 12.02)
CIE-LCHlch(11.88, 29.68, 23.89°)
OKLaboklab(25.09% 0.08 0.0302)
OKLCHoklch(25.09% 0.086 20.7)
XYZxyz(2.4309, 1.3885, 0.5918)
Luminance0.0139 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42090F #09423C
analogous
#42092C #42090F #422009
triadic
#42090F #0F4209 #090F42
tetradic
#42090F #2C4209 #09423C #200942
square
#42090F #2C4209 #09423C #200942
split-complementary
#42090F #094220 #092C42
monochromatic
#1B0406 #1B0406 #42090F #78101B #AE1827

Accessibility & contrast

On white

16.44
#42090F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#42090F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42090F
16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42090F#FFFFFF#000000##FFFFFF
##42090F1.0016.441.2816.44
#FFFFFF16.441.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A180F
Deuteranopia (green-blind)
#28240D
Tritanopia (blue-blind)
#49000C
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #42090f;
/* rgb */ color: rgb(66, 9, 15);
/* oklch */ color: oklch(25.1% 0.086 20.7);
Tailwind
colors: {
  custom: {
    50: '#7b4e4d',
    500: '#42090f',
    950: '#000000',
  },
}
SCSS
$custom: #42090f;
$custom-light: #7b4e4d;
$custom-dark: #000000;
JSON
{
  "hex": "#42090f",
  "rgb": {
    "r": 66,
    "g": 9,
    "b": 15
  },
  "hsl": {
    "h": 353.684,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25091,
    "c": 0.0855,
    "h": 20.7
  },
  "luminance": 0.01388
}

Semantic roles & 50–950 ramp

primary
#42090F
secondary
#278076
accent
#F3DF35
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #42090F

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

Preview Lab → · Contrast checker → · Palette generator →

#42090F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva