#C42731#C42731

#C42731 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.5% C 0.192 H 23.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#C42731
RGB	rgb(196, 39, 49)
HSL	hsl(356, 67%, 46%)
HSV	hsv(356, 80%, 77%)
CMYK	cmyk(0%, 80.1%, 75%, 23.1%)
CIE-LAB	lab(43.38, 60.30, 34.65)
CIE-LCH	lch(43.38, 69.55, 29.88°)
OKLab	oklab(53.53% 0.1752 0.0775)
OKLCH	oklch(53.53% 0.192 23.9)
XYZ	xyz(24.0477, 13.4124, 4.2278)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42731 #27C4BA

analogous

#C4277F #C42731 #C46B27

triadic

#C42731 #31C427 #2731C4

tetradic

#C42731 #7FC427 #27C4BA #6B27C4

square

#C42731 #7FC427 #27C4BA #6B27C4

split-complementary

#C42731 #27C46B #277FC4

monochromatic

#5E1317 #911D24 #C42731 #DC4D56 #E68086

Accessibility & contrast

On white

5.70

#C42731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#C42731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42731

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42731	#FFFFFF	#000000	##FFFFFF
##C42731	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595130

Deuteranopia (green-blind)

#7F722B

Tritanopia (blue-blind)

#D8002D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c42731;
/* rgb */ color: rgb(196, 39, 49);
/* oklch */ color: oklch(53.5% 0.192 23.9);

Tailwind

colors: {
  custom: {
    50: '#df7169',
    500: '#c42731',
    950: '#000000',
  },
}

SCSS

$custom: #c42731;
$custom-light: #df7169;
$custom-dark: #000000;

JSON

{
  "hex": "#c42731",
  "rgb": {
    "r": 196,
    "g": 39,
    "b": 49
  },
  "hsl": {
    "h": 356.178,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53528,
    "c": 0.19162,
    "h": 23.9
  },
  "luminance": 0.13409
}

Semantic roles & 50–950 ramp

primary

#C42731

secondary

#79CEC9

accent

#EADF3E

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C42731

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

Preview Lab → · Contrast checker → · Palette generator →