#CB3F4B#CB3F4B

#CB3F4B is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.176 H 20.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#CB3F4B
RGB	rgb(203, 63, 75)
HSL	hsl(355, 57%, 52%)
HSV	hsv(355, 69%, 80%)
CMYK	cmyk(0%, 69%, 63.1%, 20.4%)
CIE-LAB	lab(47.96, 55.72, 25.02)
CIE-LCH	lch(47.96, 61.08, 24.18°)
OKLab	oklab(57.3% 0.1652 0.06)
OKLCH	oklch(57.3% 0.176 20)
XYZ	xyz(27.6789, 16.7635, 8.4334)
Luminance	0.1676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3F4B #3FCBBF

analogous

#CB3F91 #CB3F4B #CB793F

triadic

#CB3F4B #4BCB3F #3F4BCB

tetradic

#CB3F4B #91CB3F #3FCBBF #793FCB

square

#CB3F4B #91CB3F #3FCBBF #793FCB

split-complementary

#CB3F4B #3FCB79 #3F91CB

monochromatic

#711F26 #A12C36 #CB3F4B #D86F78 #E59FA5

Accessibility & contrast

On white

4.83

#CB3F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#CB3F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F4B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3F4B	#FFFFFF	#000000	##FFFFFF
##CB3F4B	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655F4A

Deuteranopia (green-blind)

#887D47

Tritanopia (blue-blind)

#DE1944

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cb3f4b;
/* rgb */ color: rgb(203, 63, 75);
/* oklch */ color: oklch(57.3% 0.176 20.0);

Tailwind

colors: {
  custom: {
    50: '#e27d7d',
    500: '#cb3f4b',
    950: '#000000',
  },
}

SCSS

$custom: #cb3f4b;
$custom-light: #e27d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3f4b",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 75
  },
  "hsl": {
    "h": 354.857,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.573,
    "c": 0.17581,
    "h": 20
  },
  "luminance": 0.1676
}

Semantic roles & 50–950 ramp

primary

#CB3F4B

secondary

#94D1CC

accent

#E1D347

background

#FEF8F7

surface

#FDEFEE

border

#D5CAC9

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB3F4B

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

Preview Lab → · Contrast checker → · Palette generator →