#C53B3A#C53B3A

#C53B3A is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.175 H 25.2°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C53B3A
RGB	rgb(197, 59, 58)
HSL	hsl(0, 55%, 50%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 70.1%, 70.6%, 22.7%)
CIE-LAB	lab(46.05, 54.41, 32.51)
CIE-LCH	lch(46.05, 63.38, 30.86°)
OKLab	oklab(55.59% 0.1584 0.0747)
OKLCH	oklch(55.59% 0.175 25.2)
XYZ	xyz(25.3564, 15.3075, 5.6216)
Luminance	0.1530 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B3A #3AC4C5

analogous

#C53A7E #C53B3A #C5813A

triadic

#C53B3A #3AC53B #3B3AC5

tetradic

#C53B3A #7EC53A #3AC4C5 #813AC5

square

#C53B3A #7EC53A #3AC4C5 #813AC5

split-complementary

#C53B3A #3AC581 #3A7EC5

monochromatic

#661F1E #962D2C #C53B3A #D36A69 #E19999

Accessibility & contrast

On white

5.17

#C53B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C53B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B3A

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B3A	#FFFFFF	#000000	##FFFFFF
##C53B3A	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)

#625A39

Deuteranopia (green-blind)

#857836

Tritanopia (blue-blind)

#D80A3C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b3a;
/* rgb */ color: rgb(197, 59, 58);
/* oklch */ color: oklch(55.6% 0.175 25.2);

Tailwind

colors: {
  custom: {
    50: '#df7a70',
    500: '#c53b3a',
    950: '#000000',
  },
}

SCSS

$custom: #c53b3a;
$custom-light: #df7a70;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b3a",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 58
  },
  "hsl": {
    "h": 0.432,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.5559,
    "c": 0.1751,
    "h": 25.2
  },
  "luminance": 0.15304
}

Semantic roles & 50–950 ramp

primary

#C53B3A

secondary

#8ECCCD

accent

#DDDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53B3A

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

Preview Lab → · Contrast checker → · Palette generator →