#CB3B42#CB3B42

#CB3B42 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.180 H 22.5°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B42
RGB	rgb(203, 59, 66)
HSL	hsl(357, 58%, 51%)
HSV	hsv(357, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 67.5%, 20.4%)
CIE-LAB	lab(47.26, 56.72, 29.52)
CIE-LCH	lch(47.26, 63.94, 27.50°)
OKLab	oklab(56.73% 0.1666 0.0691)
OKLCH	oklch(56.73% 0.18 22.5)
XYZ	xyz(27.1789, 16.2218, 6.8532)
Luminance	0.1622 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B42 #3BCBC4

analogous

#CB3B8A #CB3B42 #CB7C3B

triadic

#CB3B42 #42CB3B #3B42CB

tetradic

#CB3B42 #8ACB3B #3BCBC4 #7C3BCB

square

#CB3B42 #8ACB3B #3BCBC4 #7C3BCB

split-complementary

#CB3B42 #3BCB7C #3B8ACB

monochromatic

#6E1D21 #9F2A30 #CB3B42 #D86B71 #E59C9F

Accessibility & contrast

On white

4.95

#CB3B42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CB3B42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B42

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B42	#FFFFFF	#000000	##FFFFFF
##CB3B42	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C41

Deuteranopia (green-blind)

#887B3E

Tritanopia (blue-blind)

#DF063F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b42;
/* rgb */ color: rgb(203, 59, 66);
/* oklch */ color: oklch(56.7% 0.180 22.5);

Tailwind

colors: {
  custom: {
    50: '#e37b76',
    500: '#cb3b42',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b42;
$custom-light: #e37b76;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b42",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 66
  },
  "hsl": {
    "h": 357.083,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56733,
    "c": 0.18037,
    "h": 22.5
  },
  "luminance": 0.16218
}

Semantic roles & 50–950 ramp

primary

#CB3B42

secondary

#91D1CE

accent

#E1DA47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3B42

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

Preview Lab → · Contrast checker → · Palette generator →