#CB3951#CB3951

#CB3951 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.8% C 0.182 H 16.0°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#CB3951
RGB	rgb(203, 57, 81)
HSL	hsl(350, 58%, 51%)
HSV	hsv(350, 72%, 80%)
CMYK	cmyk(0%, 71.9%, 60.1%, 20.4%)
CIE-LAB	lab(47.26, 58.33, 20.49)
CIE-LCH	lch(47.26, 61.83, 19.35°)
OKLab	oklab(56.82% 0.1747 0.0501)
OKLCH	oklch(56.82% 0.182 16)
XYZ	xyz(27.5797, 16.2208, 9.4617)
Luminance	0.1622 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3951 #39CBB3

analogous

#CB399A #CB3951 #CB6A39

triadic

#CB3951 #51CB39 #3951CB

tetradic

#CB3951 #9ACB39 #39CBB3 #6A39CB

square

#CB3951 #9ACB39 #39CBB3 #6A39CB

split-complementary

#CB3951 #39CB6A #399ACB

monochromatic

#6D1D2A #9D293C #CB3951 #D8697C #E49AA6

Accessibility & contrast

On white

4.95

#CB3951 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CB3951 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3951

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3951	#FFFFFF	#000000	##FFFFFF
##CB3951	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605D51

Deuteranopia (green-blind)

#857B4D

Tritanopia (blue-blind)

#DE0B43

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3951;
/* rgb */ color: rgb(203, 57, 81);
/* oklch */ color: oklch(56.8% 0.182 16.0);

Tailwind

colors: {
  custom: {
    50: '#e27a81',
    500: '#cb3951',
    950: '#000000',
  },
}

SCSS

$custom: #cb3951;
$custom-light: #e27a81;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3951",
  "rgb": {
    "r": 203,
    "g": 57,
    "b": 81
  },
  "hsl": {
    "h": 350.137,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56816,
    "c": 0.18173,
    "h": 16
  },
  "luminance": 0.16217
}

Semantic roles & 50–950 ramp

primary

#CB3951

secondary

#90D0C6

accent

#E2C846

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3951

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

Preview Lab → · Contrast checker → · Palette generator →