#CB3B51#CB3B51

#CB3B51 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.0% C 0.180 H 16.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B51
RGB	rgb(203, 59, 81)
HSL	hsl(351, 58%, 51%)
HSV	hsv(351, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 60.1%, 20.4%)
CIE-LAB	lab(47.52, 57.61, 20.83)
CIE-LCH	lch(47.52, 61.26, 19.88°)
OKLab	oklab(57.01% 0.1724 0.0509)
OKLCH	oklch(57.01% 0.18 16.4)
XYZ	xyz(27.6805, 16.4225, 9.4953)
Luminance	0.1642 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B51 #3BCBB5

analogous

#CB3B99 #CB3B51 #CB6D3B

triadic

#CB3B51 #51CB3B #3B51CB

tetradic

#CB3B51 #99CB3B #3BCBB5 #6D3BCB

square

#CB3B51 #99CB3B #3BCBB5 #6D3BCB

split-complementary

#CB3B51 #3BCB6D #3B99CB

monochromatic

#6E1D2A #9F2A3C #CB3B51 #D86B7C #E59CA7

Accessibility & contrast

On white

4.90

#CB3B51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CB3B51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B51

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B51	#FFFFFF	#000000	##FFFFFF
##CB3B51	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615E51

Deuteranopia (green-blind)

#867C4D

Tritanopia (blue-blind)

#DE1244

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3b51;
/* rgb */ color: rgb(203, 59, 81);
/* oklch */ color: oklch(57.0% 0.180 16.4);

Tailwind

colors: {
  custom: {
    50: '#e27b81',
    500: '#cb3b51',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b51;
$custom-light: #e27b81;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b51",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 81
  },
  "hsl": {
    "h": 350.833,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5701,
    "c": 0.17973,
    "h": 16.4
  },
  "luminance": 0.16419
}

Semantic roles & 50–950 ramp

primary

#CB3B51

secondary

#91D1C7

accent

#E1CA47

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3B51

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

Preview Lab → · Contrast checker → · Palette generator →