#C42827#C42827

#C42827 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.5% C 0.192 H 26.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#C42827
RGB	rgb(196, 40, 39)
HSL	hsl(0, 67%, 46%)
HSV	hsv(0, 80%, 77%)
CMYK	cmyk(0%, 79.6%, 80.1%, 23.1%)
CIE-LAB	lab(43.37, 59.67, 40.33)
CIE-LCH	lch(43.37, 72.02, 34.05°)
OKLab	oklab(53.48% 0.1711 0.087)
OKLCH	oklch(53.48% 0.192 26.9)
XYZ	xyz(23.8929, 13.4037, 3.2482)
Luminance	0.1340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42827 #27C3C4

analogous

#C42774 #C42827 #C47627

triadic

#C42827 #27C428 #2827C4

tetradic

#C42827 #74C427 #27C3C4 #7627C4

square

#C42827 #74C427 #27C3C4 #7627C4

split-complementary

#C42827 #27C476 #2774C4

monochromatic

#5E1313 #911E1D #C42827 #DC4E4D #E68080

Accessibility & contrast

On white

5.71

#C42827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#C42827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42827

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42827	#FFFFFF	#000000	##FFFFFF
##C42827	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#80721F

Tritanopia (blue-blind)

#D8002A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c42827;
/* rgb */ color: rgb(196, 40, 39);
/* oklch */ color: oklch(53.5% 0.192 26.9);

Tailwind

colors: {
  custom: {
    50: '#e07162',
    500: '#c42827',
    950: '#000000',
  },
}

SCSS

$custom: #c42827;
$custom-light: #e07162;
$custom-dark: #000000;

JSON

{
  "hex": "#c42827",
  "rgb": {
    "r": 196,
    "g": 40,
    "b": 39
  },
  "hsl": {
    "h": 0.382,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53483,
    "c": 0.19197,
    "h": 26.9
  },
  "luminance": 0.134
}

Semantic roles & 50–950 ramp

primary

#C42827

secondary

#79CECE

accent

#E9EA3E

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42827

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

Preview Lab → · Contrast checker → · Palette generator →