#C53539#C53539

#C53539 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.181 H 24.1°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C53539
RGB	rgb(197, 53, 57)
HSL	hsl(358, 58%, 49%)
HSV	hsv(358, 73%, 77%)
CMYK	cmyk(0%, 73.1%, 71.1%, 22.7%)
CIE-LAB	lab(45.24, 56.56, 32.15)
CIE-LCH	lch(45.24, 65.05, 29.61°)
OKLab	oklab(54.98% 0.165 0.0737)
OKLCH	oklch(54.98% 0.181 24.1)
XYZ	xyz(25.0404, 14.7157, 5.3920)
Luminance	0.1471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53539 #35C5C1

analogous

#C53581 #C53539 #C57935

triadic

#C53539 #39C535 #3539C5

tetradic

#C53539 #81C535 #35C5C1 #7935C5

square

#C53539 #81C535 #35C5C1 #7935C5

split-complementary

#C53539 #35C579 #3581C5

monochromatic

#651B1D #95282B #C53539 #D56266 #E29395

Accessibility & contrast

On white

5.33

#C53539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C53539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53539

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53539	#FFFFFF	#000000	##FFFFFF
##C53539	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5738

Deuteranopia (green-blind)

#837634

Tritanopia (blue-blind)

#D90038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53539;
/* rgb */ color: rgb(197, 53, 57);
/* oklch */ color: oklch(55.0% 0.181 24.1);

Tailwind

colors: {
  custom: {
    50: '#df776f',
    500: '#c53539',
    950: '#000000',
  },
}

SCSS

$custom: #c53539;
$custom-light: #df776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53539",
  "rgb": {
    "r": 197,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.333,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54981,
    "c": 0.18068,
    "h": 24.1
  },
  "luminance": 0.14712
}

Semantic roles & 50–950 ramp

primary

#C53539

secondary

#89CDCB

accent

#E1DD47

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53539

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

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