#C53731#C53731

#C53731 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.180 H 27.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C53731
RGB	rgb(197, 55, 49)
HSL	hsl(2, 60%, 48%)
HSV	hsv(2, 75%, 77%)
CMYK	cmyk(0%, 72.1%, 75.1%, 22.7%)
CIE-LAB	lab(45.40, 55.50, 36.95)
CIE-LCH	lch(45.40, 66.67, 33.66°)
OKLab	oklab(55.07% 0.1599 0.0825)
OKLCH	oklch(55.07% 0.18 27.3)
XYZ	xyz(24.9494, 14.8283, 4.4536)
Luminance	0.1482 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53731 #31BFC5

analogous

#C53175 #C53731 #C58131

triadic

#C53731 #31C537 #3731C5

tetradic

#C53731 #75C531 #31BFC5 #8131C5

square

#C53731 #75C531 #31BFC5 #8131C5

split-complementary

#C53731 #31C581 #3175C5

monochromatic

#631C19 #942925 #C53731 #D7625D #E3918E

Accessibility & contrast

On white

5.30

#C53731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C53731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53731

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53731	#FFFFFF	#000000	##FFFFFF
##C53731	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)

#61582F

Deuteranopia (green-blind)

#84772C

Tritanopia (blue-blind)

#D90037

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53731;
/* rgb */ color: rgb(197, 55, 49);
/* oklch */ color: oklch(55.1% 0.180 27.3);

Tailwind

colors: {
  custom: {
    50: '#df786a',
    500: '#c53731',
    950: '#000000',
  },
}

SCSS

$custom: #c53731;
$custom-light: #df786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c53731",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.432,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55065,
    "c": 0.17993,
    "h": 27.3
  },
  "luminance": 0.14824
}

Semantic roles & 50–950 ramp

primary

#C53731

secondary

#85CACD

accent

#DDE344

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53731

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

Preview Lab → · Contrast checker → · Palette generator →