#CB3B43#CB3B43

#CB3B43 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.180 H 22.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B43
RGB	rgb(203, 59, 67)
HSL	hsl(357, 58%, 51%)
HSV	hsv(357, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 67%, 20.4%)
CIE-LAB	lab(47.28, 56.77, 28.95)
CIE-LCH	lch(47.28, 63.72, 27.02°)
OKLab	oklab(56.75% 0.167 0.0679)
OKLCH	oklch(56.75% 0.18 22.1)
XYZ	xyz(27.2086, 16.2337, 7.0098)
Luminance	0.1623 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B43 #3BCBC3

analogous

#CB3B8B #CB3B43 #CB7B3B

triadic

#CB3B43 #43CB3B #3B43CB

tetradic

#CB3B43 #8BCB3B #3BCBC3 #7B3BCB

square

#CB3B43 #8BCB3B #3BCBC3 #7B3BCB

split-complementary

#CB3B43 #3BCB7B #3B8BCB

monochromatic

#6E1D22 #9F2A31 #CB3B43 #D86B71 #E59CA0

Accessibility & contrast

On white

4.95

#CB3B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CB3B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B43

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B43	#FFFFFF	#000000	##FFFFFF
##CB3B43	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635D42

Deuteranopia (green-blind)

#877B3F

Tritanopia (blue-blind)

#DF073F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b43;
/* rgb */ color: rgb(203, 59, 67);
/* oklch */ color: oklch(56.7% 0.180 22.1);

Tailwind

colors: {
  custom: {
    50: '#e37b77',
    500: '#cb3b43',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b43;
$custom-light: #e37b77;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b43",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 356.667,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56749,
    "c": 0.18028,
    "h": 22.1
  },
  "luminance": 0.1623
}

Semantic roles & 50–950 ramp

primary

#CB3B43

secondary

#91D1CD

accent

#E1D947

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3B43

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

Preview Lab → · Contrast checker → · Palette generator →