#420A15#420A15

#420A15 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.3% C 0.084 H 14.8°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX#420A15
RGBrgb(66, 10, 21)
HSLhsl(348, 74%, 15%)
HSVhsv(348, 85%, 26%)
CMYKcmyk(0%, 84.8%, 68.2%, 74.1%)
CIE-LABlab(12.15, 27.16, 8.74)
CIE-LCHlch(12.15, 28.53, 17.84°)
OKLaboklab(25.34% 0.0815 0.0216)
OKLCHoklch(25.34% 0.084 14.8)
XYZxyz(2.4909, 1.4298, 0.8541)
Luminance0.0143 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#420A15 #0A4237
analogous
#420A31 #420A15 #421B0A
triadic
#420A15 #15420A #0A1542
tetradic
#420A15 #31420A #0A4237 #1B0A42
square
#420A15 #31420A #0A4237 #1B0A42
split-complementary
#420A15 #0A421B #0A3142
monochromatic
#1B0408 #1B0408 #420A15 #771226 #AC1A37

Accessibility & contrast

On white

16.33
#420A15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#420A15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420A15
16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##420A15#FFFFFF#000000##FFFFFF
##420A151.0016.331.2916.33
#FFFFFF16.331.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#191815
Deuteranopia (green-blind)
#282414
Tritanopia (blue-blind)
#49000F
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #420a15;
/* rgb */ color: rgb(66, 10, 21);
/* oklch */ color: oklch(25.3% 0.084 14.8);
Tailwind
colors: {
  custom: {
    50: '#7b4f52',
    500: '#420a15',
    950: '#000000',
  },
}
SCSS
$custom: #420a15;
$custom-light: #7b4f52;
$custom-dark: #000000;
JSON
{
  "hex": "#420a15",
  "rgb": {
    "r": 66,
    "g": 10,
    "b": 21
  },
  "hsl": {
    "h": 348.214,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25336,
    "c": 0.08433,
    "h": 14.8
  },
  "luminance": 0.01429
}

Semantic roles & 50–950 ramp

primary
#420A15
secondary
#297F6E
accent
#F0CC37
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0202
muted
#7C7878

Preview Lab

Preview with #420A15

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

Preview Lab → · Contrast checker → · Palette generator →

#420A15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva