#CB3545#CB3545

#CB3545 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.186 H 20.0°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CB3545
RGB	rgb(203, 53, 69)
HSL	hsl(354, 59%, 50%)
HSV	hsv(354, 74%, 80%)
CMYK	cmyk(0%, 73.9%, 66%, 20.4%)
CIE-LAB	lab(46.55, 59.00, 26.84)
CIE-LCH	lch(46.55, 64.81, 24.46°)
OKLab	oklab(56.21% 0.1745 0.0635)
OKLCH	oklch(56.21% 0.186 20)
XYZ	xyz(26.9788, 15.6764, 7.2343)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3545 #35CBBB

analogous

#CB3590 #CB3545 #CB7035

triadic

#CB3545 #45CB35 #3545CB

tetradic

#CB3545 #90CB35 #35CBBB #7035CB

square

#CB3545 #90CB35 #35CBBB #7035CB

split-complementary

#CB3545 #35CB70 #3590CB

monochromatic

#6A1B24 #9B2834 #CB3545 #D86672 #E4969F

Accessibility & contrast

On white

5.08

#CB3545 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CB3545 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3545

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3545	#FFFFFF	#000000	##FFFFFF
##CB3545	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605A44

Deuteranopia (green-blind)

#857A41

Tritanopia (blue-blind)

#DF003C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3545;
/* rgb */ color: rgb(203, 53, 69);
/* oklch */ color: oklch(56.2% 0.186 20.0);

Tailwind

colors: {
  custom: {
    50: '#e37878',
    500: '#cb3545',
    950: '#000000',
  },
}

SCSS

$custom: #cb3545;
$custom-light: #e37878;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3545",
  "rgb": {
    "r": 203,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 353.6,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56214,
    "c": 0.18568,
    "h": 20
  },
  "luminance": 0.15672
}

Semantic roles & 50–950 ramp

primary

#CB3545

secondary

#8CCFC8

accent

#E2D246

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CB3545

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

Preview Lab → · Contrast checker → · Palette generator →