#C53638#C53638

#C53638 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.180 H 24.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C53638
RGB	rgb(197, 54, 56)
HSL	hsl(359, 57%, 49%)
HSV	hsv(359, 73%, 77%)
CMYK	cmyk(0%, 72.6%, 71.6%, 22.7%)
CIE-LAB	lab(45.36, 56.16, 32.87)
CIE-LCH	lch(45.36, 65.07, 30.34°)
OKLab	oklab(55.06% 0.1635 0.0751)
OKLCH	oklch(55.06% 0.18 24.7)
XYZ	xyz(25.0617, 14.7980, 5.2773)
Luminance	0.1479 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53638 #36C5C3

analogous

#C53680 #C53638 #C57C36

triadic

#C53638 #38C536 #3638C5

tetradic

#C53638 #80C536 #36C5C3 #7C36C5

square

#C53638 #80C536 #36C5C3 #7C36C5

split-complementary

#C53638 #36C57C #3680C5

monochromatic

#651C1D #95292A #C53638 #D46465 #E29495

Accessibility & contrast

On white

5.30

#C53638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C53638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53638

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53638	#FFFFFF	#000000	##FFFFFF
##C53638	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)

#605837

Deuteranopia (green-blind)

#837733

Tritanopia (blue-blind)

#D90038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53638;
/* rgb */ color: rgb(197, 54, 56);
/* oklch */ color: oklch(55.1% 0.180 24.7);

Tailwind

colors: {
  custom: {
    50: '#df776f',
    500: '#c53638',
    950: '#000000',
  },
}

SCSS

$custom: #c53638;
$custom-light: #df776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53638",
  "rgb": {
    "r": 197,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.161,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55062,
    "c": 0.1799,
    "h": 24.7
  },
  "luminance": 0.14794
}

Semantic roles & 50–950 ramp

primary

#C53638

secondary

#8ACDCC

accent

#E0DE48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53638

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

Preview Lab → · Contrast checker → · Palette generator →