#CB4057#CB4057

#CB4057 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.175 H 15.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#CB4057
RGB	rgb(203, 64, 87)
HSL	hsl(350, 57%, 52%)
HSV	hsv(350, 68%, 80%)
CMYK	cmyk(0%, 68.5%, 57.1%, 20.4%)
CIE-LAB	lab(48.33, 56.14, 18.27)
CIE-LCH	lch(48.33, 59.04, 18.02°)
OKLab	oklab(57.65% 0.1687 0.0453)
OKLCH	oklch(57.65% 0.175 15)
XYZ	xyz(28.1849, 17.0553, 10.8228)
Luminance	0.1705 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4057 #40CBB4

analogous

#CB409D #CB4057 #CB6F40

triadic

#CB4057 #57CB40 #4057CB

tetradic

#CB4057 #9DCB40 #40CBB4 #6F40CB

square

#CB4057 #9DCB40 #40CBB4 #6F40CB

split-complementary

#CB4057 #40CB6F #409DCB

monochromatic

#721F2D #A22C40 #CB4057 #D87081 #E5A0AC

Accessibility & contrast

On white

4.76

#CB4057 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#CB4057 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4057

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4057	#FFFFFF	#000000	##FFFFFF
##CB4057	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636057

Deuteranopia (green-blind)

#877D53

Tritanopia (blue-blind)

#DE2149

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4057;
/* rgb */ color: rgb(203, 64, 87);
/* oklch */ color: oklch(57.6% 0.175 15.0);

Tailwind

colors: {
  custom: {
    50: '#e17e86',
    500: '#cb4057',
    950: '#000000',
  },
}

SCSS

$custom: #cb4057;
$custom-light: #e17e86;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4057",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 87
  },
  "hsl": {
    "h": 350.072,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57648,
    "c": 0.17465,
    "h": 15
  },
  "luminance": 0.17051
}

Semantic roles & 50–950 ramp

primary

#CB4057

secondary

#95D2C8

accent

#E0C747

background

#FEF8F8

surface

#FDEFEF

border

#D5CACA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CB4057

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

Preview Lab → · Contrast checker → · Palette generator →