#C53D3F#C53D3F

#C53D3F is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.173 H 23.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C53D3F
RGB	rgb(197, 61, 63)
HSL	hsl(359, 54%, 51%)
HSV	hsv(359, 69%, 77%)
CMYK	cmyk(0%, 69%, 68%, 22.7%)
CIE-LAB	lab(46.41, 53.89, 30.00)
CIE-LCH	lch(46.41, 61.68, 29.10°)
OKLab	oklab(55.88% 0.1578 0.07)
OKLCH	oklch(55.88% 0.173 23.9)
XYZ	xyz(25.5946, 15.5704, 6.3593)
Luminance	0.1557 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53D3F #3DC5C3

analogous

#C53D83 #C53D3F #C57F3D

triadic

#C53D3F #3FC53D #3D3FC5

tetradic

#C53D3F #83C53D #3DC5C3 #7F3DC5

square

#C53D3F #83C53D #3DC5C3 #7F3DC5

split-complementary

#C53D3F #3DC57F #3D83C5

monochromatic

#681F20 #982D2F #C53D3F #D36C6E #E19B9C

Accessibility & contrast

On white

5.11

#C53D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C53D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53D3F

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53D3F	#FFFFFF	#000000	##FFFFFF
##C53D3F	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3E

Deuteranopia (green-blind)

#85793B

Tritanopia (blue-blind)

#D8143F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53d3f;
/* rgb */ color: rgb(197, 61, 63);
/* oklch */ color: oklch(55.9% 0.173 23.9);

Tailwind

colors: {
  custom: {
    50: '#de7b74',
    500: '#c53d3f',
    950: '#000000',
  },
}

SCSS

$custom: #c53d3f;
$custom-light: #de7b74;
$custom-dark: #000000;

JSON

{
  "hex": "#c53d3f",
  "rgb": {
    "r": 197,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 359.118,
    "s": 53.968,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.17259,
    "h": 23.9
  },
  "luminance": 0.15567
}

Semantic roles & 50–950 ramp

primary

#C53D3F

secondary

#91CDCC

accent

#DDDB4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53D3F

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

Preview Lab → · Contrast checker → · Palette generator →