#C53639#C53639

#C53639 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.180 H 24.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C53639
RGB	rgb(197, 54, 57)
HSL	hsl(359, 57%, 49%)
HSV	hsv(359, 73%, 77%)
CMYK	cmyk(0%, 72.6%, 71.1%, 22.7%)
CIE-LAB	lab(45.37, 56.20, 32.30)
CIE-LCH	lch(45.37, 64.82, 29.88°)
OKLab	oklab(55.08% 0.1638 0.074)
OKLCH	oklch(55.08% 0.18 24.3)
XYZ	xyz(25.0864, 14.8078, 5.4074)
Luminance	0.1480 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53639 #36C5C2

analogous

#C53681 #C53639 #C57B36

triadic

#C53639 #39C536 #3639C5

tetradic

#C53639 #81C536 #36C5C2 #7B36C5

square

#C53639 #81C536 #36C5C2 #7B36C5

split-complementary

#C53639 #36C57B #3681C5

monochromatic

#651C1D #95292B #C53639 #D46466 #E29495

Accessibility & contrast

On white

5.30

#C53639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C53639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53639

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53639	#FFFFFF	#000000	##FFFFFF
##C53639	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5838

Deuteranopia (green-blind)

#837734

Tritanopia (blue-blind)

#D90039

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53639;
/* rgb */ color: rgb(197, 54, 57);
/* oklch */ color: oklch(55.1% 0.180 24.3);

Tailwind

colors: {
  custom: {
    50: '#df776f',
    500: '#c53639',
    950: '#000000',
  },
}

SCSS

$custom: #c53639;
$custom-light: #df776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53639",
  "rgb": {
    "r": 197,
    "g": 54,
    "b": 57
  },
  "hsl": {
    "h": 358.741,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55076,
    "c": 0.17979,
    "h": 24.3
  },
  "luminance": 0.14804
}

Semantic roles & 50–950 ramp

primary

#C53639

secondary

#8ACDCB

accent

#E0DD48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53639

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

Preview Lab → · Contrast checker → · Palette generator →