#C53B3C#C53B3C

#C53B3C is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.175 H 24.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C53B3C
RGB	rgb(197, 59, 60)
HSL	hsl(360, 54%, 50%)
HSV	hsv(360, 70%, 77%)
CMYK	cmyk(0%, 70.1%, 69.5%, 22.7%)
CIE-LAB	lab(46.08, 54.51, 31.38)
CIE-LCH	lch(46.08, 62.89, 29.93°)
OKLab	oklab(55.62% 0.1591 0.0725)
OKLCH	oklch(55.62% 0.175 24.5)
XYZ	xyz(25.4083, 15.3282, 5.8948)
Luminance	0.1532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B3C #3BC5C4

analogous

#C53B81 #C53B3C #C57F3B

triadic

#C53B3C #3CC53B #3B3CC5

tetradic

#C53B3C #81C53B #3BC5C4 #7F3BC5

square

#C53B3C #81C53B #3BC5C4 #7F3BC5

split-complementary

#C53B3C #3BC57F #3B81C5

monochromatic

#671F1F #962C2D #C53B3C #D36A6B #E1999A

Accessibility & contrast

On white

5.17

#C53B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C53B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B3C

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B3C	#FFFFFF	#000000	##FFFFFF
##C53B3C	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A3B

Deuteranopia (green-blind)

#847838

Tritanopia (blue-blind)

#D80C3D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b3c;
/* rgb */ color: rgb(197, 59, 60);
/* oklch */ color: oklch(55.6% 0.175 24.5);

Tailwind

colors: {
  custom: {
    50: '#df7a72',
    500: '#c53b3c',
    950: '#000000',
  },
}

SCSS

$custom: #c53b3c;
$custom-light: #df7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b3c",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 60
  },
  "hsl": {
    "h": 359.565,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5562,
    "c": 0.17485,
    "h": 24.5
  },
  "luminance": 0.15324
}

Semantic roles & 50–950 ramp

primary

#C53B3C

secondary

#8FCDCC

accent

#DEDD4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53B3C

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

Preview Lab → · Contrast checker → · Palette generator →