#C42A27#C42A27

#C42A27 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.6% C 0.191 H 27.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#C42A27
RGB	rgb(196, 42, 39)
HSL	hsl(1, 67%, 46%)
HSV	hsv(1, 80%, 77%)
CMYK	cmyk(0%, 78.6%, 80.1%, 23.1%)
CIE-LAB	lab(43.57, 59.10, 40.53)
CIE-LCH	lch(43.57, 71.66, 34.44°)
OKLab	oklab(53.63% 0.1693 0.0874)
OKLCH	oklch(53.63% 0.191 27.3)
XYZ	xyz(23.9621, 13.5420, 3.2713)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42A27 #27C1C4

analogous

#C42773 #C42A27 #C47827

triadic

#C42A27 #27C42A #2A27C4

tetradic

#C42A27 #73C427 #27C1C4 #7827C4

square

#C42A27 #73C427 #27C1C4 #7827C4

split-complementary

#C42A27 #27C478 #2773C4

monochromatic

#5E1413 #911F1D #C42A27 #DC4F4D #E68280

Accessibility & contrast

On white

5.66

#C42A27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#C42A27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42A27

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42A27	#FFFFFF	#000000	##FFFFFF
##C42A27	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#817320

Tritanopia (blue-blind)

#D8002C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42a27;
/* rgb */ color: rgb(196, 42, 39);
/* oklch */ color: oklch(53.6% 0.191 27.3);

Tailwind

colors: {
  custom: {
    50: '#e07262',
    500: '#c42a27',
    950: '#000000',
  },
}

SCSS

$custom: #c42a27;
$custom-light: #e07262;
$custom-dark: #000000;

JSON

{
  "hex": "#c42a27",
  "rgb": {
    "r": 196,
    "g": 42,
    "b": 39
  },
  "hsl": {
    "h": 1.146,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53634,
    "c": 0.19057,
    "h": 27.3
  },
  "luminance": 0.13538
}

Semantic roles & 50–950 ramp

primary

#C42A27

secondary

#79CDCE

accent

#E6EA3E

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42A27

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

Preview Lab → · Contrast checker → · Palette generator →