#CB4636#CB4636

#CB4636 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.8% C 0.172 H 30.0°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#CB4636
RGBrgb(203, 70, 54)
HSLhsl(6, 59%, 50%)
HSVhsv(6, 73%, 80%)
CMYKcmyk(0%, 65.5%, 73.4%, 20.4%)
CIE-LABlab(48.69, 51.80, 38.11)
CIE-LCHlch(48.69, 64.30, 36.34°)
OKLaboklab(57.75% 0.1486 0.0858)
OKLCHoklch(57.75% 0.172 30)
XYZxyz(27.4876, 17.3471, 5.3902)
Luminance0.1734 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4636 #36BBCB
analogous
#CB3670 #CB4636 #CB9036
triadic
#CB4636 #36CB46 #4636CB
tetradic
#CB4636 #70CB36 #36BBCB #9036CB
square
#CB4636 #70CB36 #36BBCB #9036CB
split-complementary
#CB4636 #36CB90 #3670CB
monochromatic
#6B241C #9C3528 #CB4636 #D87367 #E4A097

Accessibility & contrast

On white

4.70
#CB4636 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#CB4636 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4636
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4636#FFFFFF#000000##FFFFFF
##CB46361.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B6133
Deuteranopia (green-blind)
#8C7E32
Tritanopia (blue-blind)
#DF2243
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #cb4636;
/* rgb */ color: rgb(203, 70, 54);
/* oklch */ color: oklch(57.8% 0.172 30.0);
Tailwind
colors: {
  custom: {
    50: '#e3806e',
    500: '#cb4636',
    950: '#000000',
  },
}
SCSS
$custom: #cb4636;
$custom-light: #e3806e;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4636",
  "rgb": {
    "r": 203,
    "g": 70,
    "b": 54
  },
  "hsl": {
    "h": 6.443,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57751,
    "c": 0.17161,
    "h": 30
  },
  "luminance": 0.17343
}

Semantic roles & 50–950 ramp

primary
#CB4636
secondary
#8DC8D0
accent
#D1E246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #CB4636

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4636 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva