#CB503F#CB503F

#CB503F is a mid, vivid red. Relative luminance 0.188; OKLCH L 59.1% C 0.160 H 30.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#CB503F
RGBrgb(203, 80, 63)
HSLhsl(7, 57%, 52%)
HSVhsv(7, 69%, 80%)
CMYKcmyk(0%, 60.6%, 69%, 20.4%)
CIE-LABlab(50.45, 47.84, 35.08)
CIE-LCHlch(50.45, 59.33, 36.25°)
OKLaboklab(59.11% 0.1381 0.0809)
OKLCHoklch(59.11% 0.16 30.4)
XYZxyz(28.3973, 18.7966, 6.8344)
Luminance0.1879 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB503F #3FBACB
analogous
#CB3F74 #CB503F #CB963F
triadic
#CB503F #3FCB50 #503FCB
tetradic
#CB503F #74CB3F #3FBACB #963FCB
square
#CB503F #74CB3F #3FBACB #963FCB
split-complementary
#CB503F #3FCB96 #3F74CB
monochromatic
#71291F #A13A2C #CB503F #D87C6F #E5A89F

Accessibility & contrast

On white

4.41
#CB503F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#CB503F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB503F
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB503F#FFFFFF#000000##000000
##CB503F1.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#71673D
Deuteranopia (green-blind)
#90823C
Tritanopia (blue-blind)
#DF354D
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #cb503f;
/* rgb */ color: rgb(203, 80, 63);
/* oklch */ color: oklch(59.1% 0.160 30.4);
Tailwind
colors: {
  custom: {
    50: '#e28674',
    500: '#cb503f',
    950: '#000000',
  },
}
SCSS
$custom: #cb503f;
$custom-light: #e28674;
$custom-dark: #000000;
JSON
{
  "hex": "#cb503f",
  "rgb": {
    "r": 203,
    "g": 80,
    "b": 63
  },
  "hsl": {
    "h": 7.286,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.59107,
    "c": 0.16002,
    "h": 30.4
  },
  "luminance": 0.18793
}

Semantic roles & 50–950 ramp

primary
#CB503F
secondary
#94CAD1
accent
#CEE147
background
#FEF8F7
surface
#FDF0ED
border
#D5CBC8
text
#170B08
muted
#857C7B

Preview Lab

Preview with #CB503F

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

Preview Lab → · Contrast checker → · Palette generator →

#CB503F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva