#C53B39#C53B39

#C53B39 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.175 H 25.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C53B39
RGB	rgb(197, 59, 57)
HSL	hsl(1, 55%, 50%)
HSV	hsv(1, 71%, 77%)
CMYK	cmyk(0%, 70.1%, 71.1%, 22.7%)
CIE-LAB	lab(46.04, 54.36, 33.08)
CIE-LCH	lch(46.04, 63.63, 31.32°)
OKLab	oklab(55.58% 0.158 0.0758)
OKLCH	oklch(55.58% 0.175 25.6)
XYZ	xyz(25.3312, 15.2974, 5.4890)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B39 #39C3C5

analogous

#C5397D #C53B39 #C58139

triadic

#C53B39 #39C53B #3B39C5

tetradic

#C53B39 #7DC539 #39C3C5 #8139C5

square

#C53B39 #7DC539 #39C3C5 #8139C5

split-complementary

#C53B39 #39C581 #397DC5

monochromatic

#661F1E #962D2B #C53B39 #D36968 #E19897

Accessibility & contrast

On white

5.17

#C53B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C53B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B39

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B39	#FFFFFF	#000000	##FFFFFF
##C53B39	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A37

Deuteranopia (green-blind)

#857834

Tritanopia (blue-blind)

#D90A3C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b39;
/* rgb */ color: rgb(197, 59, 57);
/* oklch */ color: oklch(55.6% 0.175 25.6);

Tailwind

colors: {
  custom: {
    50: '#df7a6f',
    500: '#c53b39',
    950: '#000000',
  },
}

SCSS

$custom: #c53b39;
$custom-light: #df7a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b39",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 57
  },
  "hsl": {
    "h": 0.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55576,
    "c": 0.17523,
    "h": 25.6
  },
  "luminance": 0.15294
}

Semantic roles & 50–950 ramp

primary

#C53B39

secondary

#8DCCCD

accent

#DCDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53B39

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

Preview Lab → · Contrast checker → · Palette generator →