#CB4C39#CB4C39

#CB4C39 is a mid, vivid red. Relative luminance 0.182; OKLCH L 58.5% C 0.165 H 31.1°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#CB4C39
RGBrgb(203, 76, 57)
HSLhsl(8, 58%, 51%)
HSVhsv(8, 72%, 80%)
CMYKcmyk(0%, 62.6%, 71.9%, 20.4%)
CIE-LABlab(49.70, 49.34, 37.57)
CIE-LCHlch(49.70, 62.02, 37.28°)
OKLaboklab(58.51% 0.1416 0.0852)
OKLCHoklch(58.51% 0.165 31.1)
XYZxyz(27.9545, 18.1647, 5.9042)
Luminance0.1816 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4C39 #39B8CB
analogous
#CB396F #CB4C39 #CB9539
triadic
#CB4C39 #39CB4C #4C39CB
tetradic
#CB4C39 #6FCB39 #39B8CB #9539CB
square
#CB4C39 #6FCB39 #39B8CB #9539CB
split-complementary
#CB4C39 #39CB95 #396FCB
monochromatic
#6D271D #9D3829 #CB4C39 #D87869 #E4A49A

Accessibility & contrast

On white

4.53
#CB4C39 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#CB4C39 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4C39
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4C39#FFFFFF#000000##000000
##CB4C391.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F6536
Deuteranopia (green-blind)
#8E8135
Tritanopia (blue-blind)
#DF2D48
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #cb4c39;
/* rgb */ color: rgb(203, 76, 57);
/* oklch */ color: oklch(58.5% 0.165 31.1);
Tailwind
colors: {
  custom: {
    50: '#e38370',
    500: '#cb4c39',
    950: '#000000',
  },
}
SCSS
$custom: #cb4c39;
$custom-light: #e38370;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4c39",
  "rgb": {
    "r": 203,
    "g": 76,
    "b": 57
  },
  "hsl": {
    "h": 7.808,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58515,
    "c": 0.16525,
    "h": 31.1
  },
  "luminance": 0.18161
}

Semantic roles & 50–950 ramp

primary
#CB4C39
secondary
#90C8D0
accent
#CDE246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #CB4C39

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4C39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva