#C53A39#C53A39

#C53A39 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.176 H 25.3°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C53A39
RGB	rgb(197, 58, 57)
HSL	hsl(0, 55%, 50%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 70.6%, 71.1%, 22.7%)
CIE-LAB	lab(45.90, 54.74, 32.92)
CIE-LCH	lch(45.90, 63.87, 31.02°)
OKLab	oklab(55.47% 0.1592 0.0754)
OKLCH	oklch(55.47% 0.176 25.3)
XYZ	xyz(25.2803, 15.1956, 5.4720)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A39 #39C4C5

analogous

#C5397E #C53A39 #C58039

triadic

#C53A39 #39C53A #3A39C5

tetradic

#C53A39 #7EC539 #39C4C5 #8039C5

square

#C53A39 #7EC539 #39C4C5 #8039C5

split-complementary

#C53A39 #39C580 #397EC5

monochromatic

#661E1E #962C2B #C53A39 #D36968 #E19897

Accessibility & contrast

On white

5.20

#C53A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C53A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A39

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A39	#FFFFFF	#000000	##FFFFFF
##C53A39	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A37

Deuteranopia (green-blind)

#847834

Tritanopia (blue-blind)

#D9053B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53a39;
/* rgb */ color: rgb(197, 58, 57);
/* oklch */ color: oklch(55.5% 0.176 25.3);

Tailwind

colors: {
  custom: {
    50: '#df796f',
    500: '#c53a39',
    950: '#000000',
  },
}

SCSS

$custom: #c53a39;
$custom-light: #df796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a39",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.429,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55473,
    "c": 0.17616,
    "h": 25.3
  },
  "luminance": 0.15192
}

Semantic roles & 50–950 ramp

primary

#C53A39

secondary

#8DCCCD

accent

#DDDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53A39

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

Preview Lab → · Contrast checker → · Palette generator →