#C52525#C52525

#C52525 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.4% C 0.195 H 27.0°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#C52525
RGB	rgb(197, 37, 37)
HSL	hsl(0, 68%, 46%)
HSV	hsv(0, 81%, 77%)
CMYK	cmyk(0%, 81.2%, 81.2%, 22.7%)
CIE-LAB	lab(43.26, 60.72, 41.37)
CIE-LCH	lch(43.26, 73.47, 34.27°)
OKLab	oklab(53.43% 0.1739 0.0885)
OKLCH	oklch(53.43% 0.195 27)
XYZ	xyz(24.0244, 13.3310, 3.0581)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C52525 #25C5C5

analogous

#C52575 #C52525 #C57525

triadic

#C52525 #25C525 #2525C5

tetradic

#C52525 #75C525 #25C5C5 #7525C5

square

#C52525 #75C525 #25C5C5 #7525C5

split-complementary

#C52525 #25C575 #2575C5

monochromatic

#5E1212 #911B1B #C52525 #DD4A4A #E77E7E

Accessibility & contrast

On white

5.73

#C52525 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#C52525 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C52525

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C52525	#FFFFFF	#000000	##FFFFFF
##C52525	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595023

Deuteranopia (green-blind)

#80721D

Tritanopia (blue-blind)

#D90028

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c52525;
/* rgb */ color: rgb(197, 37, 37);
/* oklch */ color: oklch(53.4% 0.195 27.0);

Tailwind

colors: {
  custom: {
    50: '#e17061',
    500: '#c52525',
    950: '#000000',
  },
}

SCSS

$custom: #c52525;
$custom-light: #e17061;
$custom-dark: #000000;

JSON

{
  "hex": "#c52525",
  "rgb": {
    "r": 197,
    "g": 37,
    "b": 37
  },
  "hsl": {
    "h": 0,
    "s": 68.376,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53432,
    "c": 0.19512,
    "h": 27
  },
  "luminance": 0.13327
}

Semantic roles & 50–950 ramp

primary

#C52525

secondary

#77CFCF

accent

#EBEB3D

background

#FFF7F5

surface

#FFEDEA

border

#D7C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C52525

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

Preview Lab → · Contrast checker → · Palette generator →