#420511#420511

#420511 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.090 H 16.5°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX#420511
RGBrgb(66, 5, 17)
HSLhsl(348, 86%, 14%)
HSVhsv(348, 92%, 26%)
CMYKcmyk(0%, 92.4%, 74.2%, 74.1%)
CIE-LABlab(11.33, 28.94, 10.15)
CIE-LCHlch(11.33, 30.67, 19.32°)
OKLaboklab(24.7% 0.0863 0.0256)
OKLCHoklch(24.7% 0.09 16.5)
XYZxyz(2.4025, 1.3076, 0.6561)
Luminance0.0131 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#420511 #054236
analogous
#420530 #420511 #421805
triadic
#420511 #114205 #051142
tetradic
#420511 #304205 #054236 #180542
square
#420511 #304205 #054236 #180542
split-complementary
#420511 #054218 #053042
monochromatic
#1C0207 #1C0207 #420511 #7B0920 #B40E2E

Accessibility & contrast

On white

16.65
#420511 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#420511 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420511
16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##420511#FFFFFF#000000##FFFFFF
##4205111.0016.651.2616.65
#FFFFFF16.651.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#171611
Deuteranopia (green-blind)
#27230F
Tritanopia (blue-blind)
#49000A
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #420511;
/* rgb */ color: rgb(66, 5, 17);
/* oklch */ color: oklch(24.7% 0.090 16.5);
Tailwind
colors: {
  custom: {
    50: '#7c4c4f',
    500: '#420511',
    950: '#000000',
  },
}
SCSS
$custom: #420511;
$custom-light: #7c4c4f;
$custom-dark: #000000;
JSON
{
  "hex": "#420511",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 17
  },
  "hsl": {
    "h": 348.197,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24695,
    "c": 0.09002,
    "h": 16.5
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary
#420511
secondary
#20826F
accent
#FCD32C
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0101
muted
#7C7777

Preview Lab

Preview with #420511

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

Preview Lab → · Contrast checker → · Palette generator →

#420511 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva