#C53337#C53337

#C53337 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.8% C 0.183 H 24.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C53337
RGB	rgb(197, 51, 55)
HSL	hsl(358, 59%, 49%)
HSV	hsv(358, 74%, 77%)
CMYK	cmyk(0%, 74.1%, 72.1%, 22.7%)
CIE-LAB	lab(44.97, 57.16, 33.00)
CIE-LCH	lch(44.97, 66.00, 30.00°)
OKLab	oklab(54.77% 0.1664 0.0752)
OKLCH	oklch(54.77% 0.183 24.3)
XYZ	xyz(24.9022, 14.5176, 5.1046)
Luminance	0.1451 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53337 #33C5C1

analogous

#C53380 #C53337 #C57833

triadic

#C53337 #37C533 #3337C5

tetradic

#C53337 #80C533 #33C5C1 #7833C5

square

#C53337 #80C533 #33C5C1 #7833C5

split-complementary

#C53337 #33C578 #3380C5

monochromatic

#641A1C #942629 #C53337 #D65F63 #E29092

Accessibility & contrast

On white

5.38

#C53337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#C53337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53337

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53337	#FFFFFF	#000000	##FFFFFF
##C53337	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5636

Deuteranopia (green-blind)

#827632

Tritanopia (blue-blind)

#D90036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c53337;
/* rgb */ color: rgb(197, 51, 55);
/* oklch */ color: oklch(54.8% 0.183 24.3);

Tailwind

colors: {
  custom: {
    50: '#df766e',
    500: '#c53337',
    950: '#000000',
  },
}

SCSS

$custom: #c53337;
$custom-light: #df766e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53337",
  "rgb": {
    "r": 197,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 358.356,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54767,
    "c": 0.18263,
    "h": 24.3
  },
  "luminance": 0.14514
}

Semantic roles & 50–950 ramp

primary

#C53337

secondary

#87CDCB

accent

#E2DE46

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53337

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

Preview Lab → · Contrast checker → · Palette generator →