#CB3547#CB3547

#CB3547 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.3% C 0.186 H 19.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#CB3547
RGB	rgb(203, 53, 71)
HSL	hsl(353, 59%, 50%)
HSV	hsv(353, 74%, 80%)
CMYK	cmyk(0%, 73.9%, 65%, 20.4%)
CIE-LAB	lab(46.58, 59.11, 25.67)
CIE-LCH	lch(46.58, 64.44, 23.47°)
OKLab	oklab(56.25% 0.1753 0.0611)
OKLCH	oklch(56.25% 0.186 19.2)
XYZ	xyz(27.0419, 15.7017, 7.5668)
Luminance	0.1570 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3547 #35CBB9

analogous

#CB3592 #CB3547 #CB6E35

triadic

#CB3547 #47CB35 #3547CB

tetradic

#CB3547 #92CB35 #35CBB9 #6E35CB

square

#CB3547 #92CB35 #35CBB9 #6E35CB

split-complementary

#CB3547 #35CB6E #3592CB

monochromatic

#6A1B25 #9B2836 #CB3547 #D86673 #E496A0

Accessibility & contrast

On white

5.07

#CB3547 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CB3547 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3547

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3547	#FFFFFF	#000000	##FFFFFF
##CB3547	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5A47

Deuteranopia (green-blind)

#857A43

Tritanopia (blue-blind)

#DF003D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3547;
/* rgb */ color: rgb(203, 53, 71);
/* oklch */ color: oklch(56.3% 0.186 19.2);

Tailwind

colors: {
  custom: {
    50: '#e3787a',
    500: '#cb3547',
    950: '#000000',
  },
}

SCSS

$custom: #cb3547;
$custom-light: #e3787a;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3547",
  "rgb": {
    "r": 203,
    "g": 53,
    "b": 71
  },
  "hsl": {
    "h": 352.8,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5625,
    "c": 0.1856,
    "h": 19.2
  },
  "luminance": 0.15698
}

Semantic roles & 50–950 ramp

primary

#CB3547

secondary

#8CCFC7

accent

#E2CF46

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB3547

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

Preview Lab → · Contrast checker → · Palette generator →