#C53D3D#C53D3D

#C53D3D is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.173 H 24.7°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C53D3D
RGB	rgb(197, 61, 61)
HSL	hsl(0, 54%, 51%)
HSV	hsv(0, 69%, 77%)
CMYK	cmyk(0%, 69%, 69%, 22.7%)
CIE-LAB	lab(46.38, 53.78, 31.14)
CIE-LCH	lch(46.38, 62.15, 30.07°)
OKLab	oklab(55.85% 0.157 0.0722)
OKLCH	oklch(55.85% 0.173 24.7)
XYZ	xyz(25.5398, 15.5485, 6.0703)
Luminance	0.1555 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53D3D #3DC5C5

analogous

#C53D81 #C53D3D #C5813D

triadic

#C53D3D #3DC53D #3D3DC5

tetradic

#C53D3D #81C53D #3DC5C5 #813DC5

square

#C53D3D #81C53D #3DC5C5 #813DC5

split-complementary

#C53D3D #3DC581 #3D81C5

monochromatic

#681F1F #982D2D #C53D3D #D36C6C #E19B9B

Accessibility & contrast

On white

5.11

#C53D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C53D3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53D3D

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53D3D	#FFFFFF	#000000	##FFFFFF
##C53D3D	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)

#635B3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#D8133F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53d3d;
/* rgb */ color: rgb(197, 61, 61);
/* oklch */ color: oklch(55.8% 0.173 24.7);

Tailwind

colors: {
  custom: {
    50: '#de7b72',
    500: '#c53d3d',
    950: '#000000',
  },
}

SCSS

$custom: #c53d3d;
$custom-light: #de7b72;
$custom-dark: #000000;

JSON

{
  "hex": "#c53d3d",
  "rgb": {
    "r": 197,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 53.968,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55846,
    "c": 0.17282,
    "h": 24.7
  },
  "luminance": 0.15545
}

Semantic roles & 50–950 ramp

primary

#C53D3D

secondary

#91CDCD

accent

#DDDD4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53D3D

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

Preview Lab → · Contrast checker → · Palette generator →