#CB3F55#CB3F55

#CB3F55 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.5% C 0.176 H 15.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CB3F55
RGB	rgb(203, 63, 85)
HSL	hsl(351, 57%, 52%)
HSV	hsv(351, 69%, 80%)
CMYK	cmyk(0%, 69%, 58.1%, 20.4%)
CIE-LAB	lab(48.15, 56.38, 19.24)
CIE-LCH	lch(48.15, 59.58, 18.84°)
OKLab	oklab(57.5% 0.1691 0.0474)
OKLCH	oklch(57.5% 0.176 15.7)
XYZ	xyz(28.0485, 16.9113, 10.3798)
Luminance	0.1691 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3F55 #3FCBB5

analogous

#CB3F9B #CB3F55 #CB6F3F

triadic

#CB3F55 #55CB3F #3F55CB

tetradic

#CB3F55 #9BCB3F #3FCBB5 #6F3FCB

square

#CB3F55 #9BCB3F #3FCBB5 #6F3FCB

split-complementary

#CB3F55 #3FCB6F #3F9BCB

monochromatic

#711F2C #A12C3E #CB3F55 #D86F80 #E59FAA

Accessibility & contrast

On white

4.79

#CB3F55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#CB3F55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F55

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3F55	#FFFFFF	#000000	##FFFFFF
##CB3F55	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636055

Deuteranopia (green-blind)

#877D51

Tritanopia (blue-blind)

#DE1E48

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb3f55;
/* rgb */ color: rgb(203, 63, 85);
/* oklch */ color: oklch(57.5% 0.176 15.7);

Tailwind

colors: {
  custom: {
    50: '#e17d84',
    500: '#cb3f55',
    950: '#000000',
  },
}

SCSS

$custom: #cb3f55;
$custom-light: #e17d84;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3f55",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 350.571,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.575,
    "c": 0.17566,
    "h": 15.7
  },
  "luminance": 0.16907
}

Semantic roles & 50–950 ramp

primary

#CB3F55

secondary

#94D1C8

accent

#E1C947

background

#FEF8F8

surface

#FDEFEF

border

#D5CACA

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3F55

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

Preview Lab → · Contrast checker → · Palette generator →