#CB363D#CB363D

#CB363D is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.185 H 23.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CB363D
RGB	rgb(203, 54, 61)
HSL	hsl(357, 59%, 50%)
HSV	hsv(357, 73%, 80%)
CMYK	cmyk(0%, 73.4%, 70%, 20.4%)
CIE-LAB	lab(46.55, 58.25, 31.61)
CIE-LCH	lch(46.55, 66.27, 28.49°)
OKLab	oklab(56.17% 0.1704 0.0729)
OKLCH	oklch(56.17% 0.185 23.2)
XYZ	xyz(26.7931, 15.6758, 6.0289)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB363D #36CBC4

analogous

#CB3688 #CB363D #CB7936

triadic

#CB363D #3DCB36 #363DCB

tetradic

#CB363D #88CB36 #36CBC4 #7936CB

square

#CB363D #88CB36 #36CBC4 #7936CB

split-complementary

#CB363D #36CB79 #3688CB

monochromatic

#6B1C1F #9C282E #CB363D #D8676C #E4979B

Accessibility & contrast

On white

5.08

#CB363D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CB363D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB363D

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB363D	#FFFFFF	#000000	##FFFFFF
##CB363D	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3C

Deuteranopia (green-blind)

#877A38

Tritanopia (blue-blind)

#DF003A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb363d;
/* rgb */ color: rgb(203, 54, 61);
/* oklch */ color: oklch(56.2% 0.185 23.2);

Tailwind

colors: {
  custom: {
    50: '#e37872',
    500: '#cb363d',
    950: '#000000',
  },
}

SCSS

$custom: #cb363d;
$custom-light: #e37872;
$custom-dark: #000000;

JSON

{
  "hex": "#cb363d",
  "rgb": {
    "r": 203,
    "g": 54,
    "b": 61
  },
  "hsl": {
    "h": 357.181,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56174,
    "c": 0.18537,
    "h": 23.2
  },
  "luminance": 0.15672
}

Semantic roles & 50–950 ramp

primary

#CB363D

secondary

#8DD0CD

accent

#E2DB46

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB363D

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

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