#C53131#C53131

#C53131 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 25.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C53131
RGB	rgb(197, 49, 49)
HSL	hsl(0, 60%, 48%)
HSV	hsv(0, 75%, 77%)
CMYK	cmyk(0%, 75.1%, 75.1%, 22.7%)
CIE-LAB	lab(44.65, 57.57, 36.12)
CIE-LCH	lch(44.65, 67.97, 32.10°)
OKLab	oklab(54.51% 0.1665 0.0807)
OKLCH	oklch(54.51% 0.185 25.9)
XYZ	xyz(24.6815, 14.2925, 4.3643)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53131 #31C5C5

analogous

#C5317B #C53131 #C57B31

triadic

#C53131 #31C531 #3131C5

tetradic

#C53131 #7BC531 #31C5C5 #7B31C5

square

#C53131 #7BC531 #31C5C5 #7B31C5

split-complementary

#C53131 #31C57B #317BC5

monochromatic

#631919 #942525 #C53131 #D75D5D #E38E8E

Accessibility & contrast

On white

5.44

#C53131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C53131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53131

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53131	#FFFFFF	#000000	##FFFFFF
##C53131	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#82752B

Tritanopia (blue-blind)

#D90033

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c53131;
/* rgb */ color: rgb(197, 49, 49);
/* oklch */ color: oklch(54.5% 0.185 25.9);

Tailwind

colors: {
  custom: {
    50: '#e07569',
    500: '#c53131',
    950: '#000000',
  },
}

SCSS

$custom: #c53131;
$custom-light: #e07569;
$custom-dark: #000000;

JSON

{
  "hex": "#c53131",
  "rgb": {
    "r": 197,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54507,
    "c": 0.18499,
    "h": 25.9
  },
  "luminance": 0.14289
}

Semantic roles & 50–950 ramp

primary

#C53131

secondary

#85CDCD

accent

#E3E344

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C53131

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

Preview Lab → · Contrast checker → · Palette generator →