#CB3836#CB3836

#CB3836 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.3% C 0.184 H 26.0°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#CB3836
RGB	rgb(203, 56, 54)
HSL	hsl(1, 59%, 50%)
HSV	hsv(1, 73%, 80%)
CMYK	cmyk(0%, 72.4%, 73.4%, 20.4%)
CIE-LAB	lab(46.70, 57.23, 35.87)
CIE-LCH	lch(46.70, 67.54, 32.08°)
OKLab	oklab(56.26% 0.1657 0.0809)
OKLCH	oklch(56.26% 0.184 26)
XYZ	xyz(26.7117, 15.7953, 5.1316)
Luminance	0.1579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3836 #36C9CB

analogous

#CB367F #CB3836 #CB8236

triadic

#CB3836 #36CB38 #3836CB

tetradic

#CB3836 #7FCB36 #36C9CB #8236CB

square

#CB3836 #7FCB36 #36C9CB #8236CB

split-complementary

#CB3836 #36CB82 #367FCB

monochromatic

#6B1D1C #9C2A28 #CB3836 #D86867 #E49897

Accessibility & contrast

On white

5.05

#CB3836 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#CB3836 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3836

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3836	#FFFFFF	#000000	##FFFFFF
##CB3836	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A34

Deuteranopia (green-blind)

#887A31

Tritanopia (blue-blind)

#DF0039

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cb3836;
/* rgb */ color: rgb(203, 56, 54);
/* oklch */ color: oklch(56.3% 0.184 26.0);

Tailwind

colors: {
  custom: {
    50: '#e4796d',
    500: '#cb3836',
    950: '#000000',
  },
}

SCSS

$custom: #cb3836;
$custom-light: #e4796d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3836",
  "rgb": {
    "r": 203,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 0.805,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56262,
    "c": 0.18442,
    "h": 26
  },
  "luminance": 0.15791
}

Semantic roles & 50–950 ramp

primary

#CB3836

secondary

#8DCFD0

accent

#E0E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3836

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

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