#C53F3A#C53F3A

#C53F3A is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.171 H 26.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C53F3A
RGB	rgb(197, 63, 58)
HSL	hsl(2, 55%, 50%)
HSV	hsv(2, 71%, 77%)
CMYK	cmyk(0%, 68%, 70.6%, 22.7%)
CIE-LAB	lab(46.62, 52.84, 33.19)
CIE-LCH	lch(46.62, 62.40, 32.13°)
OKLab	oklab(56.02% 0.1534 0.0762)
OKLCH	oklch(56.02% 0.171 26.4)
XYZ	xyz(25.5700, 15.7345, 5.6928)
Luminance	0.1573 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53F3A #3AC0C5

analogous

#C53A7B #C53F3A #C5843A

triadic

#C53F3A #3AC53F #3F3AC5

tetradic

#C53F3A #7BC53A #3AC0C5 #843AC5

square

#C53F3A #7BC53A #3AC0C5 #843AC5

split-complementary

#C53F3A #3AC584 #3A7BC5

monochromatic

#66211E #96302C #C53F3A #D36D69 #E19B99

Accessibility & contrast

On white

5.06

#C53F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C53F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53F3A

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53F3A	#FFFFFF	#000000	##FFFFFF
##C53F3A	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C38

Deuteranopia (green-blind)

#867936

Tritanopia (blue-blind)

#D8173F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53f3a;
/* rgb */ color: rgb(197, 63, 58);
/* oklch */ color: oklch(56.0% 0.171 26.4);

Tailwind

colors: {
  custom: {
    50: '#de7c70',
    500: '#c53f3a',
    950: '#000000',
  },
}

SCSS

$custom: #c53f3a;
$custom-light: #de7c70;
$custom-dark: #000000;

JSON

{
  "hex": "#c53f3a",
  "rgb": {
    "r": 197,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.158,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.56018,
    "c": 0.1713,
    "h": 26.4
  },
  "luminance": 0.15731
}

Semantic roles & 50–950 ramp

primary

#C53F3A

secondary

#8ECACD

accent

#D9DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53F3A

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

Preview Lab → · Contrast checker → · Palette generator →