#CB3543#CB3543

#CB3543 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.2% C 0.186 H 20.7°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#CB3543
RGB	rgb(203, 53, 67)
HSL	hsl(354, 59%, 50%)
HSV	hsv(354, 74%, 80%)
CMYK	cmyk(0%, 73.9%, 67%, 20.4%)
CIE-LAB	lab(46.51, 58.89, 28.00)
CIE-LCH	lch(46.51, 65.21, 25.43°)
OKLab	oklab(56.18% 0.1737 0.0658)
OKLCH	oklch(56.18% 0.186 20.7)
XYZ	xyz(26.9178, 15.6520, 6.9129)
Luminance	0.1565 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3543 #35CBBD

analogous

#CB358E #CB3543 #CB7235

triadic

#CB3543 #43CB35 #3543CB

tetradic

#CB3543 #8ECB35 #35CBBD #7235CB

square

#CB3543 #8ECB35 #35CBBD #7235CB

split-complementary

#CB3543 #35CB72 #358ECB

monochromatic

#6A1B23 #9B2833 #CB3543 #D86670 #E4969E

Accessibility & contrast

On white

5.09

#CB3543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CB3543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3543

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3543	#FFFFFF	#000000	##FFFFFF
##CB3543	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605A42

Deuteranopia (green-blind)

#867A3E

Tritanopia (blue-blind)

#DF003C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3543;
/* rgb */ color: rgb(203, 53, 67);
/* oklch */ color: oklch(56.2% 0.186 20.7);

Tailwind

colors: {
  custom: {
    50: '#e37877',
    500: '#cb3543',
    950: '#000000',
  },
}

SCSS

$custom: #cb3543;
$custom-light: #e37877;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3543",
  "rgb": {
    "r": 203,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 354.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5618,
    "c": 0.18579,
    "h": 20.7
  },
  "luminance": 0.15648
}

Semantic roles & 50–950 ramp

primary

#CB3543

secondary

#8CCFC9

accent

#E2D446

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3543

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

Preview Lab → · Contrast checker → · Palette generator →