#C53740#C53740

#C53740 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 21.9°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C53740
RGB	rgb(197, 55, 64)
HSL	hsl(356, 56%, 49%)
HSV	hsv(356, 72%, 77%)
CMYK	cmyk(0%, 72.1%, 67.5%, 22.7%)
CIE-LAB	lab(45.60, 56.20, 28.42)
CIE-LCH	lch(45.60, 62.97, 26.83°)
OKLab	oklab(55.28% 0.1653 0.0666)
OKLCH	oklch(55.28% 0.178 21.9)
XYZ	xyz(25.3203, 14.9766, 6.4070)
Luminance	0.1497 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53740 #37C5BC

analogous

#C53787 #C53740 #C57537

triadic

#C53740 #40C537 #3740C5

tetradic

#C53740 #87C537 #37C5BC #7537C5

square

#C53740 #87C537 #37C5BC #7537C5

split-complementary

#C53740 #37C575 #3787C5

monochromatic

#651C21 #952A30 #C53740 #D4656C #E1959A

Accessibility & contrast

On white

5.26

#C53740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C53740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53740

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53740	#FFFFFF	#000000	##FFFFFF
##C53740	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F593F

Deuteranopia (green-blind)

#83773C

Tritanopia (blue-blind)

#D8003C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53740;
/* rgb */ color: rgb(197, 55, 64);
/* oklch */ color: oklch(55.3% 0.178 21.9);

Tailwind

colors: {
  custom: {
    50: '#de7874',
    500: '#c53740',
    950: '#000000',
  },
}

SCSS

$custom: #c53740;
$custom-light: #de7874;
$custom-dark: #000000;

JSON

{
  "hex": "#c53740",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 356.197,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55283,
    "c": 0.17821,
    "h": 21.9
  },
  "luminance": 0.14973
}

Semantic roles & 50–950 ramp

primary

#C53740

secondary

#8BCDC9

accent

#E0D648

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53740

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

Preview Lab → · Contrast checker → · Palette generator →