#C42528#C42528

#C42528 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.3% C 0.194 H 26.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#C42528
RGB	rgb(196, 37, 40)
HSL	hsl(359, 68%, 46%)
HSV	hsv(359, 81%, 77%)
CMYK	cmyk(0%, 81.1%, 79.6%, 23.1%)
CIE-LAB	lab(43.09, 60.52, 39.49)
CIE-LCH	lch(43.09, 72.26, 33.13°)
OKLab	oklab(53.28% 0.174 0.0855)
OKLCH	oklch(53.28% 0.194 26.2)
XYZ	xyz(23.8125, 13.2160, 3.3042)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42528 #25C4C1

analogous

#C42577 #C42528 #C47125

triadic

#C42528 #28C425 #2528C4

tetradic

#C42528 #77C425 #25C4C1 #7125C4

square

#C42528 #77C425 #25C4C1 #7125C4

split-complementary

#C42528 #25C471 #2577C4

monochromatic

#5D1213 #911B1D #C42528 #DD494C #E67D7F

Accessibility & contrast

On white

5.77

#C42528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#C42528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42528

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42528	#FFFFFF	#000000	##FFFFFF
##C42528	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#7F7221

Tritanopia (blue-blind)

#D80029

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c42528;
/* rgb */ color: rgb(196, 37, 40);
/* oklch */ color: oklch(53.3% 0.194 26.2);

Tailwind

colors: {
  custom: {
    50: '#e07063',
    500: '#c42528',
    950: '#000000',
  },
}

SCSS

$custom: #c42528;
$custom-light: #e07063;
$custom-dark: #000000;

JSON

{
  "hex": "#c42528",
  "rgb": {
    "r": 196,
    "g": 37,
    "b": 40
  },
  "hsl": {
    "h": 358.868,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53279,
    "c": 0.19387,
    "h": 26.2
  },
  "luminance": 0.13212
}

Semantic roles & 50–950 ramp

primary

#C42528

secondary

#76CFCD

accent

#EBE83D

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170805

muted

#857B79

Preview Lab

Preview with #C42528

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

Preview Lab → · Contrast checker → · Palette generator →