#CB4051#CB4051

#CB4051 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.5% C 0.175 H 17.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#CB4051
RGB	rgb(203, 64, 81)
HSL	hsl(353, 57%, 52%)
HSV	hsv(353, 68%, 80%)
CMYK	cmyk(0%, 68.5%, 60.1%, 20.4%)
CIE-LAB	lab(48.21, 55.72, 21.74)
CIE-LCH	lch(48.21, 59.81, 21.31°)
OKLab	oklab(57.52% 0.1663 0.053)
OKLCH	oklch(57.52% 0.175 17.7)
XYZ	xyz(27.9499, 16.9613, 9.5851)
Luminance	0.1696 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4051 #40CBBA

analogous

#CB4096 #CB4051 #CB7540

triadic

#CB4051 #51CB40 #4051CB

tetradic

#CB4051 #96CB40 #40CBBA #7540CB

square

#CB4051 #96CB40 #40CBBA #7540CB

split-complementary

#CB4051 #40CB75 #4096CB

monochromatic

#721F29 #A22C3A #CB4051 #D8707D #E5A0A9

Accessibility & contrast

On white

4.78

#CB4051 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#CB4051 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4051

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4051	#FFFFFF	#000000	##FFFFFF
##CB4051	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646051

Deuteranopia (green-blind)

#887D4D

Tritanopia (blue-blind)

#DE1E47

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb4051;
/* rgb */ color: rgb(203, 64, 81);
/* oklch */ color: oklch(57.5% 0.175 17.7);

Tailwind

colors: {
  custom: {
    50: '#e27d81',
    500: '#cb4051',
    950: '#000000',
  },
}

SCSS

$custom: #cb4051;
$custom-light: #e27d81;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4051",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 81
  },
  "hsl": {
    "h": 352.662,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57522,
    "c": 0.17458,
    "h": 17.7
  },
  "luminance": 0.16957
}

Semantic roles & 50–950 ramp

primary

#CB4051

secondary

#95D2CA

accent

#E0CE47

background

#FEF8F7

surface

#FDEFEE

border

#D5CAC9

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB4051

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

Preview Lab → · Contrast checker → · Palette generator →