#C53B31#C53B31

#C53B31 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.176 H 28.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C53B31
RGB	rgb(197, 59, 49)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 77%)
CMYK	cmyk(0%, 70.1%, 75.1%, 22.7%)
CIE-LAB	lab(45.94, 54.01, 37.54)
CIE-LCH	lch(45.94, 65.77, 34.81°)
OKLab	oklab(55.47% 0.1552 0.0838)
OKLCH	oklch(55.47% 0.176 28.3)
XYZ	xyz(25.1472, 15.2238, 4.5195)
Luminance	0.1522 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B31 #31BBC5

analogous

#C53171 #C53B31 #C58531

triadic

#C53B31 #31C53B #3B31C5

tetradic

#C53B31 #71C531 #31BBC5 #8531C5

square

#C53B31 #71C531 #31BBC5 #8531C5

split-complementary

#C53B31 #31C585 #3171C5

monochromatic

#631E19 #942C25 #C53B31 #D7655D #E3938E

Accessibility & contrast

On white

5.19

#C53B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C53B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B31

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B31	#FFFFFF	#000000	##FFFFFF
##C53B31	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2F

Deuteranopia (green-blind)

#85782C

Tritanopia (blue-blind)

#D9053A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b31;
/* rgb */ color: rgb(197, 59, 49);
/* oklch */ color: oklch(55.5% 0.176 28.3);

Tailwind

colors: {
  custom: {
    50: '#df7a6a',
    500: '#c53b31',
    950: '#000000',
  },
}

SCSS

$custom: #c53b31;
$custom-light: #df7a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b31",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 49
  },
  "hsl": {
    "h": 4.054,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55469,
    "c": 0.17639,
    "h": 28.3
  },
  "luminance": 0.1522
}

Semantic roles & 50–950 ramp

primary

#C53B31

secondary

#85C8CD

accent

#D9E344

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53B31

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

Preview Lab → · Contrast checker → · Palette generator →