#CB643B#CB643B

#CB643B is a mid, vivid orange. Relative luminance 0.221; OKLCH L 61.9% C 0.142 H 41.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#CB643B
RGBrgb(203, 100, 59)
HSLhsl(17, 58%, 51%)
HSVhsv(17, 71%, 80%)
CMYKcmyk(0%, 50.7%, 70.9%, 20.4%)
CIE-LABlab(54.16, 37.91, 41.51)
CIE-LCHlch(54.16, 56.22, 47.59°)
OKLaboklab(61.91% 0.1066 0.0942)
OKLCHoklch(61.91% 0.142 41.4)
XYZxyz(29.9780, 22.1303, 6.8297)
Luminance0.2213 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB643B #3BA2CB
analogous
#CB3B5A #CB643B #CBAC3B
triadic
#CB643B #3BCB64 #643BCB
tetradic
#CB643B #5ACB3B #3BA2CB #AC3BCB
square
#CB643B #5ACB3B #3BA2CB #AC3BCB
split-complementary
#CB643B #3BCBAC #3B5ACB
monochromatic
#6E341D #9F4B2A #CB643B #D88A6B #E5B19C

Accessibility & contrast

On white

3.87
#CB643B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#CB643B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB643B
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB643B#FFFFFF#000000##000000
##CB643B1.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#807337
Deuteranopia (green-blind)
#998A39
Tritanopia (blue-blind)
#DE4F5B
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #cb643b;
/* rgb */ color: rgb(203, 100, 59);
/* oklch */ color: oklch(61.9% 0.142 41.4);
Tailwind
colors: {
  custom: {
    50: '#e19273',
    500: '#cb643b',
    950: '#000000',
  },
}
SCSS
$custom: #cb643b;
$custom-light: #e19273;
$custom-dark: #000000;
JSON
{
  "hex": "#cb643b",
  "rgb": {
    "r": 203,
    "g": 100,
    "b": 59
  },
  "hsl": {
    "h": 17.083,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.61911,
    "c": 0.14225,
    "h": 41.4
  },
  "luminance": 0.22127
}

Semantic roles & 50–950 ramp

primary
#CB643B
secondary
#91BFD1
accent
#B5E147
background
#FEF9F7
surface
#FDF1ED
border
#D5CBC8
text
#170D08
muted
#857E7B

Preview Lab

Preview with #CB643B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB643B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva