#C53839#C53839

#C53839 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 24.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C53839
RGB	rgb(197, 56, 57)
HSL	hsl(360, 56%, 50%)
HSV	hsv(360, 72%, 77%)
CMYK	cmyk(0%, 71.6%, 71.1%, 22.7%)
CIE-LAB	lab(45.63, 55.48, 32.60)
CIE-LCH	lch(45.63, 64.35, 30.44°)
OKLab	oklab(55.27% 0.1616 0.0747)
OKLCH	oklch(55.27% 0.178 24.8)
XYZ	xyz(25.1814, 14.9979, 5.4390)
Luminance	0.1499 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53839 #38C5C4

analogous

#C53880 #C53839 #C57D38

triadic

#C53839 #39C538 #3839C5

tetradic

#C53839 #80C538 #38C5C4 #7D38C5

square

#C53839 #80C538 #38C5C4 #7D38C5

split-complementary

#C53839 #38C57D #3880C5

monochromatic

#661D1D #952A2B #C53839 #D46767 #E19697

Accessibility & contrast

On white

5.25

#C53839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C53839 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53839

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53839	#FFFFFF	#000000	##FFFFFF
##C53839	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)

#615938

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#D9003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53839;
/* rgb */ color: rgb(197, 56, 57);
/* oklch */ color: oklch(55.3% 0.178 24.8);

Tailwind

colors: {
  custom: {
    50: '#df786f',
    500: '#c53839',
    950: '#000000',
  },
}

SCSS

$custom: #c53839;
$custom-light: #df786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53839",
  "rgb": {
    "r": 197,
    "g": 56,
    "b": 57
  },
  "hsl": {
    "h": 359.574,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55271,
    "c": 0.178,
    "h": 24.8
  },
  "luminance": 0.14994
}

Semantic roles & 50–950 ramp

primary

#C53839

secondary

#8CCDCC

accent

#DFDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53839

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

Preview Lab → · Contrast checker → · Palette generator →