#CB583F#CB583F

#CB583F is a mid, vivid red. Relative luminance 0.200; OKLCH L 60.2% C 0.152 H 33.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#CB583F
RGBrgb(203, 88, 63)
HSLhsl(11, 57%, 52%)
HSVhsv(11, 69%, 80%)
CMYKcmyk(0%, 56.7%, 69%, 20.4%)
CIE-LABlab(51.88, 44.09, 36.76)
CIE-LCHlch(51.88, 57.40, 39.82°)
OKLaboklab(60.19% 0.1264 0.0846)
OKLCHoklch(60.19% 0.152 33.8)
XYZxyz(29.0184, 20.0386, 7.0414)
Luminance0.2004 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB583F #3FB2CB
analogous
#CB3F6C #CB583F #CB9E3F
triadic
#CB583F #3FCB58 #583FCB
tetradic
#CB583F #6CCB3F #3FB2CB #9E3FCB
square
#CB583F #6CCB3F #3FB2CB #9E3FCB
split-complementary
#CB583F #3FCB9E #3F6CCB
monochromatic
#712D1F #A1412C #CB583F #D8826F #E5AC9F

Accessibility & contrast

On white

4.19
#CB583F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#CB583F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB583F
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB583F#FFFFFF#000000##000000
##CB583F1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#776C3C
Deuteranopia (green-blind)
#93853C
Tritanopia (blue-blind)
#DE4052
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #cb583f;
/* rgb */ color: rgb(203, 88, 63);
/* oklch */ color: oklch(60.2% 0.152 33.8);
Tailwind
colors: {
  custom: {
    50: '#e28b75',
    500: '#cb583f',
    950: '#000000',
  },
}
SCSS
$custom: #cb583f;
$custom-light: #e28b75;
$custom-dark: #000000;
JSON
{
  "hex": "#cb583f",
  "rgb": {
    "r": 203,
    "g": 88,
    "b": 63
  },
  "hsl": {
    "h": 10.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.6019,
    "c": 0.15206,
    "h": 33.8
  },
  "luminance": 0.20035
}

Semantic roles & 50–950 ramp

primary
#CB583F
secondary
#94C7D1
accent
#C5E147
background
#FEF8F7
surface
#FDF0ED
border
#D5CBC8
text
#170C08
muted
#857D7B

Preview Lab

Preview with #CB583F

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

Preview Lab → · Contrast checker → · Palette generator →

#CB583F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva