#CB3B53#CB3B53

#CB3B53 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.1% C 0.180 H 15.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B53
RGB	rgb(203, 59, 83)
HSL	hsl(350, 58%, 51%)
HSV	hsv(350, 71%, 80%)
CMYK	cmyk(0%, 70.9%, 59.1%, 20.4%)
CIE-LAB	lab(47.56, 57.75, 19.67)
CIE-LCH	lch(47.56, 61.00, 18.81°)
OKLab	oklab(57.05% 0.1732 0.0483)
OKLCH	oklch(57.05% 0.18 15.6)
XYZ	xyz(27.7566, 16.4529, 9.8961)
Luminance	0.1645 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B53 #3BCBB3

analogous

#CB3B9B #CB3B53 #CB6B3B

triadic

#CB3B53 #53CB3B #3B53CB

tetradic

#CB3B53 #9BCB3B #3BCBB3 #6B3BCB

square

#CB3B53 #9BCB3B #3BCBB3 #6B3BCB

split-complementary

#CB3B53 #3BCB6B #3B9BCB

monochromatic

#6E1D2B #9F2A3E #CB3B53 #D86B7D #E59CA8

Accessibility & contrast

On white

4.90

#CB3B53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CB3B53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B53

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B53	#FFFFFF	#000000	##FFFFFF
##CB3B53	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615E53

Deuteranopia (green-blind)

#867C4F

Tritanopia (blue-blind)

#DE1345

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3b53;
/* rgb */ color: rgb(203, 59, 83);
/* oklch */ color: oklch(57.1% 0.180 15.6);

Tailwind

colors: {
  custom: {
    50: '#e27b83',
    500: '#cb3b53',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b53;
$custom-light: #e27b83;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b53",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 350,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57052,
    "c": 0.17978,
    "h": 15.6
  },
  "luminance": 0.16449
}

Semantic roles & 50–950 ramp

primary

#CB3B53

secondary

#91D1C6

accent

#E1C747

background

#FEF7F8

surface

#FDEEEF

border

#D5C9CA

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3B53

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

Preview Lab → · Contrast checker → · Palette generator →