#CB3F57#CB3F57

#CB3F57 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.5% C 0.176 H 14.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CB3F57
RGB	rgb(203, 63, 87)
HSL	hsl(350, 57%, 52%)
HSV	hsv(350, 69%, 80%)
CMYK	cmyk(0%, 69%, 57.1%, 20.4%)
CIE-LAB	lab(48.19, 56.53, 18.08)
CIE-LCH	lch(48.19, 59.35, 17.73°)
OKLab	oklab(57.54% 0.1699 0.0448)
OKLCH	oklch(57.54% 0.176 14.8)
XYZ	xyz(28.1291, 16.9435, 10.8042)
Luminance	0.1694 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3F57 #3FCBB3

analogous

#CB3F9D #CB3F57 #CB6D3F

triadic

#CB3F57 #57CB3F #3F57CB

tetradic

#CB3F57 #9DCB3F #3FCBB3 #6D3FCB

square

#CB3F57 #9DCB3F #3FCBB3 #6D3FCB

split-complementary

#CB3F57 #3FCB6D #3F9DCB

monochromatic

#711F2D #A12C40 #CB3F57 #D86F81 #E59FAB

Accessibility & contrast

On white

4.79

#CB3F57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#CB3F57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F57

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3F57	#FFFFFF	#000000	##FFFFFF
##CB3F57	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636057

Deuteranopia (green-blind)

#877D53

Tritanopia (blue-blind)

#DE1F49

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb3f57;
/* rgb */ color: rgb(203, 63, 87);
/* oklch */ color: oklch(57.5% 0.176 14.8);

Tailwind

colors: {
  custom: {
    50: '#e17d86',
    500: '#cb3f57',
    950: '#000000',
  },
}

SCSS

$custom: #cb3f57;
$custom-light: #e17d86;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3f57",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 87
  },
  "hsl": {
    "h": 349.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57544,
    "c": 0.17572,
    "h": 14.8
  },
  "luminance": 0.1694
}

Semantic roles & 50–950 ramp

primary

#CB3F57

secondary

#94D1C7

accent

#E1C647

background

#FEF8F8

surface

#FDEFEF

border

#D5CACA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CB3F57

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

Preview Lab → · Contrast checker → · Palette generator →