#C42727#C42727

#C42727 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.4% C 0.193 H 26.8°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#C42727
RGB	rgb(196, 39, 39)
HSL	hsl(0, 67%, 46%)
HSV	hsv(0, 80%, 77%)
CMYK	cmyk(0%, 80.1%, 80.1%, 23.1%)
CIE-LAB	lab(43.27, 59.95, 40.23)
CIE-LCH	lch(43.27, 72.20, 33.86°)
OKLab	oklab(53.41% 0.172 0.0868)
OKLCH	oklch(53.41% 0.193 26.8)
XYZ	xyz(23.8596, 13.3372, 3.2371)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42727 #27C4C4

analogous

#C42775 #C42727 #C47527

triadic

#C42727 #27C427 #2727C4

tetradic

#C42727 #75C427 #27C4C4 #7527C4

square

#C42727 #75C427 #27C4C4 #7527C4

split-complementary

#C42727 #27C475 #2775C4

monochromatic

#5E1313 #911D1D #C42727 #DC4D4D #E68080

Accessibility & contrast

On white

5.73

#C42727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#C42727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42727

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42727	#FFFFFF	#000000	##FFFFFF
##C42727	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)

#5A5025

Deuteranopia (green-blind)

#80721F

Tritanopia (blue-blind)

#D8002A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c42727;
/* rgb */ color: rgb(196, 39, 39);
/* oklch */ color: oklch(53.4% 0.193 26.8);

Tailwind

colors: {
  custom: {
    50: '#e07162',
    500: '#c42727',
    950: '#000000',
  },
}

SCSS

$custom: #c42727;
$custom-light: #e07162;
$custom-dark: #000000;

JSON

{
  "hex": "#c42727",
  "rgb": {
    "r": 196,
    "g": 39,
    "b": 39
  },
  "hsl": {
    "h": 0,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5341,
    "c": 0.19265,
    "h": 26.8
  },
  "luminance": 0.13333
}

Semantic roles & 50–950 ramp

primary

#C42727

secondary

#79CECE

accent

#EAEA3E

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42727

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

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