#C53838#C53838

#C53838 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 25.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C53838
RGB	rgb(197, 56, 56)
HSL	hsl(0, 56%, 50%)
HSV	hsv(0, 72%, 77%)
CMYK	cmyk(0%, 71.6%, 71.6%, 22.7%)
CIE-LAB	lab(45.62, 55.43, 33.17)
CIE-LCH	lch(45.62, 64.60, 30.90°)
OKLab	oklab(55.26% 0.1612 0.0758)
OKLCH	oklch(55.26% 0.178 25.2)
XYZ	xyz(25.1567, 14.9880, 5.3089)
Luminance	0.1498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53838 #38C5C5

analogous

#C5387F #C53838 #C57F38

triadic

#C53838 #38C538 #3838C5

tetradic

#C53838 #7FC538 #38C5C5 #7F38C5

square

#C53838 #7FC538 #38C5C5 #7F38C5

split-complementary

#C53838 #38C57F #387FC5

monochromatic

#661D1D #952A2A #C53838 #D46767 #E19696

Accessibility & contrast

On white

5.25

#C53838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C53838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53838

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53838	#FFFFFF	#000000	##FFFFFF
##C53838	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)

#615936

Deuteranopia (green-blind)

#847733

Tritanopia (blue-blind)

#D9003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53838;
/* rgb */ color: rgb(197, 56, 56);
/* oklch */ color: oklch(55.3% 0.178 25.2);

Tailwind

colors: {
  custom: {
    50: '#df786f',
    500: '#c53838',
    950: '#000000',
  },
}

SCSS

$custom: #c53838;
$custom-light: #df786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53838",
  "rgb": {
    "r": 197,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55257,
    "c": 0.17812,
    "h": 25.2
  },
  "luminance": 0.14984
}

Semantic roles & 50–950 ramp

primary

#C53838

secondary

#8CCDCD

accent

#DFDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53838

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

Preview Lab → · Contrast checker → · Palette generator →