#C53A3B#C53A3B

#C53A3B is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.176 H 24.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C53A3B
RGB	rgb(197, 58, 59)
HSL	hsl(360, 55%, 50%)
HSV	hsv(360, 71%, 77%)
CMYK	cmyk(0%, 70.6%, 70.1%, 22.7%)
CIE-LAB	lab(45.93, 54.83, 31.78)
CIE-LCH	lch(45.93, 63.38, 30.10°)
OKLab	oklab(55.5% 0.1599 0.0733)
OKLCH	oklch(55.5% 0.176 24.6)
XYZ	xyz(25.3312, 15.2160, 5.7400)
Luminance	0.1521 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A3B #3AC5C4

analogous

#C53A81 #C53A3B #C57E3A

triadic

#C53A3B #3BC53A #3A3BC5

tetradic

#C53A3B #81C53A #3AC5C4 #7E3AC5

square

#C53A3B #81C53A #3AC5C4 #7E3AC5

split-complementary

#C53A3B #3AC57E #3A81C5

monochromatic

#661E1F #962C2D #C53A3B #D3696A #E19999

Accessibility & contrast

On white

5.19

#C53A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C53A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A3B

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A3B	#FFFFFF	#000000	##FFFFFF
##C53A3B	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3A

Deuteranopia (green-blind)

#847837

Tritanopia (blue-blind)

#D8073C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53a3b;
/* rgb */ color: rgb(197, 58, 59);
/* oklch */ color: oklch(55.5% 0.176 24.6);

Tailwind

colors: {
  custom: {
    50: '#df7971',
    500: '#c53a3b',
    950: '#000000',
  },
}

SCSS

$custom: #c53a3b;
$custom-light: #df7971;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a3b",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.568,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.55502,
    "c": 0.17591,
    "h": 24.6
  },
  "luminance": 0.15212
}

Semantic roles & 50–950 ramp

primary

#C53A3B

secondary

#8ECDCC

accent

#DEDD4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53A3B

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

Preview Lab → · Contrast checker → · Palette generator →