#CB503B#CB503B

#CB503B is a mid, vivid red. Relative luminance 0.188; OKLCH L 59.1% C 0.161 H 31.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#CB503B
RGBrgb(203, 80, 59)
HSLhsl(9, 58%, 51%)
HSVhsv(9, 71%, 80%)
CMYKcmyk(0%, 60.6%, 70.9%, 20.4%)
CIE-LABlab(50.40, 47.64, 37.26)
CIE-LCHlch(50.40, 60.48, 38.03°)
OKLaboklab(59.05% 0.1367 0.085)
OKLCHoklch(59.05% 0.161 31.9)
XYZxyz(28.2896, 18.7535, 6.2669)
Luminance0.1875 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB503B #3BB6CB
analogous
#CB3B6E #CB503B #CB983B
triadic
#CB503B #3BCB50 #503BCB
tetradic
#CB503B #6ECB3B #3BB6CB #983BCB
square
#CB503B #6ECB3B #3BB6CB #983BCB
split-complementary
#CB503B #3BCB98 #3B6ECB
monochromatic
#6E291D #9F3B2A #CB503B #D87B6B #E5A69C

Accessibility & contrast

On white

4.42
#CB503B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#CB503B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB503B
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB503B#FFFFFF#000000##000000
##CB503B1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#716738
Deuteranopia (green-blind)
#908237
Tritanopia (blue-blind)
#DF344C
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #cb503b;
/* rgb */ color: rgb(203, 80, 59);
/* oklch */ color: oklch(59.1% 0.161 31.9);
Tailwind
colors: {
  custom: {
    50: '#e28672',
    500: '#cb503b',
    950: '#000000',
  },
}
SCSS
$custom: #cb503b;
$custom-light: #e28672;
$custom-dark: #000000;
JSON
{
  "hex": "#cb503b",
  "rgb": {
    "r": 203,
    "g": 80,
    "b": 59
  },
  "hsl": {
    "h": 8.75,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59052,
    "c": 0.1609,
    "h": 31.9
  },
  "luminance": 0.1875
}

Semantic roles & 50–950 ramp

primary
#CB503B
secondary
#91C7D1
accent
#CBE147
background
#FEF8F6
surface
#FDF0EC
border
#D5CBC7
text
#170B08
muted
#857C7B

Preview Lab

Preview with #CB503B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB503B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva