#C53742#C53742

#C53742 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 21.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C53742
RGB	rgb(197, 55, 66)
HSL	hsl(355, 56%, 49%)
HSV	hsv(355, 72%, 77%)
CMYK	cmyk(0%, 72.1%, 66.5%, 22.7%)
CIE-LAB	lab(45.63, 56.30, 27.26)
CIE-LCH	lch(45.63, 62.55, 25.83°)
OKLab	oklab(55.32% 0.1661 0.0643)
OKLCH	oklch(55.32% 0.178 21.2)
XYZ	xyz(25.3782, 14.9998, 6.7121)
Luminance	0.1500 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53742 #37C5BA

analogous

#C53789 #C53742 #C57337

triadic

#C53742 #42C537 #3742C5

tetradic

#C53742 #89C537 #37C5BA #7337C5

square

#C53742 #89C537 #37C5BA #7337C5

split-complementary

#C53742 #37C573 #3789C5

monochromatic

#651C22 #952A32 #C53742 #D4656E #E1959B

Accessibility & contrast

On white

5.25

#C53742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C53742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53742

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53742	#FFFFFF	#000000	##FFFFFF
##C53742	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5941

Deuteranopia (green-blind)

#83773E

Tritanopia (blue-blind)

#D8003C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53742;
/* rgb */ color: rgb(197, 55, 66);
/* oklch */ color: oklch(55.3% 0.178 21.2);

Tailwind

colors: {
  custom: {
    50: '#de7876',
    500: '#c53742',
    950: '#000000',
  },
}

SCSS

$custom: #c53742;
$custom-light: #de7876;
$custom-dark: #000000;

JSON

{
  "hex": "#c53742",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 355.352,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55316,
    "c": 0.17806,
    "h": 21.2
  },
  "luminance": 0.14996
}

Semantic roles & 50–950 ramp

primary

#C53742

secondary

#8BCDC8

accent

#E0D448

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53742

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

Preview Lab → · Contrast checker → · Palette generator →