#CB383B#CB383B

#CB383B is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.3% C 0.184 H 24.3°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#CB383B
RGB	rgb(203, 56, 59)
HSL	hsl(359, 59%, 51%)
HSV	hsv(359, 72%, 80%)
CMYK	cmyk(0%, 72.4%, 70.9%, 20.4%)
CIE-LAB	lab(46.77, 57.45, 33.05)
CIE-LCH	lch(46.77, 66.28, 29.91°)
OKLab	oklab(56.33% 0.1675 0.0758)
OKLCH	oklch(56.33% 0.184 24.3)
XYZ	xyz(26.8352, 15.8447, 5.7821)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB383B #38CBC8

analogous

#CB3884 #CB383B #CB7F38

triadic

#CB383B #3BCB38 #383BCB

tetradic

#CB383B #84CB38 #38CBC8 #7F38CB

square

#CB383B #84CB38 #38CBC8 #7F38CB

split-complementary

#CB383B #38CB7F #3884CB

monochromatic

#6C1C1E #9D292B #CB383B #D8696B #E4999B

Accessibility & contrast

On white

5.04

#CB383B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#CB383B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB383B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB383B	#FFFFFF	#000000	##FFFFFF
##CB383B	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3A

Deuteranopia (green-blind)

#877A36

Tritanopia (blue-blind)

#DF003B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cb383b;
/* rgb */ color: rgb(203, 56, 59);
/* oklch */ color: oklch(56.3% 0.184 24.3);

Tailwind

colors: {
  custom: {
    50: '#e37971',
    500: '#cb383b',
    950: '#000000',
  },
}

SCSS

$custom: #cb383b;
$custom-light: #e37971;
$custom-dark: #000000;

JSON

{
  "hex": "#cb383b",
  "rgb": {
    "r": 203,
    "g": 56,
    "b": 59
  },
  "hsl": {
    "h": 358.776,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56332,
    "c": 0.18381,
    "h": 24.3
  },
  "luminance": 0.15841
}

Semantic roles & 50–950 ramp

primary

#CB383B

secondary

#8FD0CF

accent

#E2DF46

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB383B

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

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