#C53D3B#C53D3B

#C53D3B is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.173 H 25.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C53D3B
RGB	rgb(197, 61, 59)
HSL	hsl(1, 54%, 50%)
HSV	hsv(1, 70%, 77%)
CMYK	cmyk(0%, 69%, 70.1%, 22.7%)
CIE-LAB	lab(46.35, 53.68, 32.28)
CIE-LCH	lch(46.35, 62.64, 31.02°)
OKLab	oklab(55.82% 0.1563 0.0744)
OKLCH	oklch(55.82% 0.173 25.4)
XYZ	xyz(25.4869, 15.5273, 5.7919)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53D3B #3BC3C5

analogous

#C53B7E #C53D3B #C5823B

triadic

#C53D3B #3BC53D #3D3BC5

tetradic

#C53D3B #7EC53B #3BC3C5 #823BC5

square

#C53D3B #7EC53B #3BC3C5 #823BC5

split-complementary

#C53D3B #3BC582 #3B7EC5

monochromatic

#67201F #962E2C #C53D3B #D36C6A #E19A99

Accessibility & contrast

On white

5.12

#C53D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C53D3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53D3B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53D3B	#FFFFFF	#000000	##FFFFFF
##C53D3B	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B39

Deuteranopia (green-blind)

#857937

Tritanopia (blue-blind)

#D8123E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53d3b;
/* rgb */ color: rgb(197, 61, 59);
/* oklch */ color: oklch(55.8% 0.173 25.4);

Tailwind

colors: {
  custom: {
    50: '#df7b71',
    500: '#c53d3b',
    950: '#000000',
  },
}

SCSS

$custom: #c53d3b;
$custom-light: #df7b71;
$custom-dark: #000000;

JSON

{
  "hex": "#c53d3b",
  "rgb": {
    "r": 197,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.87,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55816,
    "c": 0.17307,
    "h": 25.4
  },
  "luminance": 0.15524
}

Semantic roles & 50–950 ramp

primary

#C53D3B

secondary

#8FCCCD

accent

#DCDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53D3B

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

Preview Lab → · Contrast checker → · Palette generator →