#CB3B4B#CB3B4B

#CB3B4B is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.9% C 0.180 H 19.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B4B
RGB	rgb(203, 59, 75)
HSL	hsl(353, 58%, 51%)
HSV	hsv(353, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 63.1%, 20.4%)
CIE-LAB	lab(47.41, 57.23, 24.32)
CIE-LCH	lch(47.41, 62.18, 23.02°)
OKLab	oklab(56.89% 0.1701 0.0584)
OKLCH	oklch(56.89% 0.18 19)
XYZ	xyz(27.4654, 16.3364, 8.3623)
Luminance	0.1633 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B4B #3BCBBB

analogous

#CB3B93 #CB3B4B #CB733B

triadic

#CB3B4B #4BCB3B #3B4BCB

tetradic

#CB3B4B #93CB3B #3BCBBB #733BCB

square

#CB3B4B #93CB3B #3BCBBB #733BCB

split-complementary

#CB3B4B #3BCB73 #3B93CB

monochromatic

#6E1D26 #9F2A37 #CB3B4B #D86B77 #E59CA4

Accessibility & contrast

On white

4.92

#CB3B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CB3B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B4B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B4B	#FFFFFF	#000000	##FFFFFF
##CB3B4B	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625D4B

Deuteranopia (green-blind)

#877C47

Tritanopia (blue-blind)

#DE0E42

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b4b;
/* rgb */ color: rgb(203, 59, 75);
/* oklch */ color: oklch(56.9% 0.180 19.0);

Tailwind

colors: {
  custom: {
    50: '#e27b7d',
    500: '#cb3b4b',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b4b;
$custom-light: #e27b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b4b",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 353.333,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56891,
    "c": 0.17981,
    "h": 19
  },
  "luminance": 0.16332
}

Semantic roles & 50–950 ramp

primary

#CB3B4B

secondary

#91D1CA

accent

#E1D047

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB3B4B

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

Preview Lab → · Contrast checker → · Palette generator →