#420F11#420F11

#420F11 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.079 H 22.4°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX#420F11
RGBrgb(66, 15, 17)
HSLhsl(358, 63%, 16%)
HSVhsv(358, 77%, 26%)
CMYKcmyk(0%, 77.3%, 74.2%, 74.1%)
CIE-LABlab(12.86, 24.66, 12.24)
CIE-LCHlch(12.86, 27.53, 26.40°)
OKLaboklab(25.84% 0.0726 0.03)
OKLCHoklch(25.84% 0.079 22.4)
XYZxyz(2.5190, 1.5407, 0.6950)
Luminance0.0154 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#420F11 #0F4240
analogous
#420F2A #420F11 #42260F
triadic
#420F11 #11420F #0F1142
tetradic
#420F11 #2A420F #0F4240 #260F42
square
#420F11 #2A420F #0F4240 #260F42
split-complementary
#420F11 #0F4226 #0F2A42
monochromatic
#190606 #190606 #420F11 #741A1E #A6262B

Accessibility & contrast

On white

16.06
#420F11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#420F11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F11
16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##420F11#FFFFFF#000000##FFFFFF
##420F111.0016.061.3116.06
#FFFFFF16.061.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1A11
Deuteranopia (green-blind)
#2A2510
Tritanopia (blue-blind)
#490310
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #420f11;
/* rgb */ color: rgb(66, 15, 17);
/* oklch */ color: oklch(25.8% 0.079 22.4);
Tailwind
colors: {
  custom: {
    50: '#7b514f',
    500: '#420f11',
    950: '#000000',
  },
}
SCSS
$custom: #420f11;
$custom-light: #7b514f;
$custom-dark: #000000;
JSON
{
  "hex": "#420f11",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 17
  },
  "hsl": {
    "h": 357.647,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25836,
    "c": 0.07854,
    "h": 22.4
  },
  "luminance": 0.0154
}

Semantic roles & 50–950 ramp

primary
#420F11
secondary
#307C79
accent
#E6E042
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #420F11

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

Preview Lab → · Contrast checker → · Palette generator →

#420F11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva