#CB4A3B#CB4A3B

#CB4A3B is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.3% C 0.167 H 29.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX#CB4A3B
RGBrgb(203, 74, 59)
HSLhsl(6, 58%, 51%)
HSVhsv(6, 71%, 80%)
CMYKcmyk(0%, 63.5%, 70.9%, 20.4%)
CIE-LABlab(49.39, 50.32, 36.10)
CIE-LCHlch(49.39, 61.93, 35.66°)
OKLaboklab(58.29% 0.145 0.0824)
OKLCHoklch(58.29% 0.167 29.6)
XYZxyz(27.8697, 17.9138, 6.1270)
Luminance0.1791 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4A3B #3BBCCB
analogous
#CB3B74 #CB4A3B #CB923B
triadic
#CB4A3B #3BCB4A #4A3BCB
tetradic
#CB4A3B #74CB3B #3BBCCB #923BCB
square
#CB4A3B #74CB3B #3BBCCB #923BCB
split-complementary
#CB4A3B #3BCB92 #3B74CB
monochromatic
#6E261D #9F362A #CB4A3B #D8776B #E5A39C

Accessibility & contrast

On white

4.58
#CB4A3B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#CB4A3B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4A3B
4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4A3B#FFFFFF#000000##000000
##CB4A3B1.004.584.584.58
#FFFFFF4.581.0021.0021.00
#0000004.5821.001.001.00
##0000004.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D6439
Deuteranopia (green-blind)
#8D8037
Tritanopia (blue-blind)
#DF2A47
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #cb4a3b;
/* rgb */ color: rgb(203, 74, 59);
/* oklch */ color: oklch(58.3% 0.167 29.6);
Tailwind
colors: {
  custom: {
    50: '#e38271',
    500: '#cb4a3b',
    950: '#000000',
  },
}
SCSS
$custom: #cb4a3b;
$custom-light: #e38271;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4a3b",
  "rgb": {
    "r": 203,
    "g": 74,
    "b": 59
  },
  "hsl": {
    "h": 6.25,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58294,
    "c": 0.1668,
    "h": 29.6
  },
  "luminance": 0.1791
}

Semantic roles & 50–950 ramp

primary
#CB4A3B
secondary
#91CAD1
accent
#D1E147
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B08
muted
#857C7B

Preview Lab

Preview with #CB4A3B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4A3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva