#C53A31#C53A31

#C53A31 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.177 H 28.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C53A31
RGB	rgb(197, 58, 49)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 77%)
CMYK	cmyk(0%, 70.6%, 75.1%, 22.7%)
CIE-LAB	lab(45.80, 54.39, 37.39)
CIE-LCH	lch(45.80, 66.00, 34.51°)
OKLab	oklab(55.37% 0.1564 0.0834)
OKLCH	oklch(55.37% 0.177 28.1)
XYZ	xyz(25.0962, 15.1220, 4.5025)
Luminance	0.1512 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A31 #31BCC5

analogous

#C53172 #C53A31 #C58431

triadic

#C53A31 #31C53A #3A31C5

tetradic

#C53A31 #72C531 #31BCC5 #8431C5

square

#C53A31 #72C531 #31BCC5 #8431C5

split-complementary

#C53A31 #31C584 #3172C5

monochromatic

#631D19 #942C25 #C53A31 #D7645D #E3938E

Accessibility & contrast

On white

5.22

#C53A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C53A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A31

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A31	#FFFFFF	#000000	##FFFFFF
##C53A31	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#85782C

Tritanopia (blue-blind)

#D90039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53a31;
/* rgb */ color: rgb(197, 58, 49);
/* oklch */ color: oklch(55.4% 0.177 28.1);

Tailwind

colors: {
  custom: {
    50: '#df796a',
    500: '#c53a31',
    950: '#000000',
  },
}

SCSS

$custom: #c53a31;
$custom-light: #df796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a31",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.649,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55366,
    "c": 0.17729,
    "h": 28.1
  },
  "luminance": 0.15118
}

Semantic roles & 50–950 ramp

primary

#C53A31

secondary

#85C9CD

accent

#DAE344

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53A31

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

Preview Lab → · Contrast checker → · Palette generator →