#CB3851#CB3851

#CB3851 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.7% C 0.183 H 15.8°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#CB3851
RGB	rgb(203, 56, 81)
HSL	hsl(350, 59%, 51%)
HSV	hsv(350, 72%, 80%)
CMYK	cmyk(0%, 72.4%, 60.1%, 20.4%)
CIE-LAB	lab(47.14, 58.69, 20.32)
CIE-LCH	lch(47.14, 62.11, 19.10°)
OKLab	oklab(56.72% 0.1758 0.0497)
OKLCH	oklch(56.72% 0.183 15.8)
XYZ	xyz(27.5307, 16.1229, 9.4453)
Luminance	0.1612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3851 #38CBB2

analogous

#CB389A #CB3851 #CB6838

triadic

#CB3851 #51CB38 #3851CB

tetradic

#CB3851 #9ACB38 #38CBB2 #6838CB

square

#CB3851 #9ACB38 #38CBB2 #6838CB

split-complementary

#CB3851 #38CB68 #389ACB

monochromatic

#6C1C2A #9D293D #CB3851 #D8697B #E499A6

Accessibility & contrast

On white

4.97

#CB3851 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CB3851 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3851

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3851	#FFFFFF	#000000	##FFFFFF
##CB3851	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605C51

Deuteranopia (green-blind)

#857B4D

Tritanopia (blue-blind)

#DE0742

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3851;
/* rgb */ color: rgb(203, 56, 81);
/* oklch */ color: oklch(56.7% 0.183 15.8);

Tailwind

colors: {
  custom: {
    50: '#e27a81',
    500: '#cb3851',
    950: '#000000',
  },
}

SCSS

$custom: #cb3851;
$custom-light: #e27a81;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3851",
  "rgb": {
    "r": 203,
    "g": 56,
    "b": 81
  },
  "hsl": {
    "h": 349.796,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56721,
    "c": 0.18271,
    "h": 15.8
  },
  "luminance": 0.16119
}

Semantic roles & 50–950 ramp

primary

#CB3851

secondary

#8FD0C5

accent

#E2C746

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3851

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

Preview Lab → · Contrast checker → · Palette generator →