#CB3B47#CB3B47

#CB3B47 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.180 H 20.6°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B47
RGB	rgb(203, 59, 71)
HSL	hsl(355, 58%, 51%)
HSV	hsv(355, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 65%, 20.4%)
CIE-LAB	lab(47.34, 56.99, 26.64)
CIE-LCH	lch(47.34, 62.91, 25.05°)
OKLab	oklab(56.82% 0.1685 0.0633)
OKLCH	oklch(56.82% 0.18 20.6)
XYZ	xyz(27.3328, 16.2834, 7.6638)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B47 #3BCBBF

analogous

#CB3B8F #CB3B47 #CB773B

triadic

#CB3B47 #47CB3B #3B47CB

tetradic

#CB3B47 #8FCB3B #3BCBBF #773BCB

square

#CB3B47 #8FCB3B #3BCBBF #773BCB

split-complementary

#CB3B47 #3BCB77 #3B8FCB

monochromatic

#6E1D24 #9F2A34 #CB3B47 #D86B74 #E59CA2

Accessibility & contrast

On white

4.93

#CB3B47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3B47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B47

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B47	#FFFFFF	#000000	##FFFFFF
##CB3B47	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635D46

Deuteranopia (green-blind)

#877B43

Tritanopia (blue-blind)

#DF0A41

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b47;
/* rgb */ color: rgb(203, 59, 71);
/* oklch */ color: oklch(56.8% 0.180 20.6);

Tailwind

colors: {
  custom: {
    50: '#e27b7a',
    500: '#cb3b47',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b47;
$custom-light: #e27b7a;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b47",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 71
  },
  "hsl": {
    "h": 355,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56818,
    "c": 0.18,
    "h": 20.6
  },
  "luminance": 0.16279
}

Semantic roles & 50–950 ramp

primary

#CB3B47

secondary

#91D1CB

accent

#E1D447

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB3B47

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

Preview Lab → · Contrast checker → · Palette generator →