#C42B31#C42B31

#C42B31 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.8% C 0.189 H 24.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#C42B31
RGB	rgb(196, 43, 49)
HSL	hsl(358, 64%, 47%)
HSV	hsv(358, 78%, 77%)
CMYK	cmyk(0%, 78.1%, 75%, 23.1%)
CIE-LAB	lab(43.78, 59.16, 35.11)
CIE-LCH	lch(43.78, 68.79, 30.69°)
OKLab	oklab(53.83% 0.1716 0.0785)
OKLCH	oklch(53.83% 0.189 24.6)
XYZ	xyz(24.1861, 13.6891, 4.2739)
Luminance	0.1368 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42B31 #2BC4BE

analogous

#C42B7E #C42B31 #C4722B

triadic

#C42B31 #31C42B #2B31C4

tetradic

#C42B31 #7EC42B #2BC4BE #722BC4

square

#C42B31 #7EC42B #2BC4BE #722BC4

split-complementary

#C42B31 #2BC472 #2B7EC4

monochromatic

#601518 #922024 #C42B31 #D95358 #E48589

Accessibility & contrast

On white

5.62

#C42B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#C42B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42B31

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42B31	#FFFFFF	#000000	##FFFFFF
##C42B31	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5230

Deuteranopia (green-blind)

#80732B

Tritanopia (blue-blind)

#D8002F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42b31;
/* rgb */ color: rgb(196, 43, 49);
/* oklch */ color: oklch(53.8% 0.189 24.6);

Tailwind

colors: {
  custom: {
    50: '#df7269',
    500: '#c42b31',
    950: '#000000',
  },
}

SCSS

$custom: #c42b31;
$custom-light: #df7269;
$custom-dark: #000000;

JSON

{
  "hex": "#c42b31",
  "rgb": {
    "r": 196,
    "g": 43,
    "b": 49
  },
  "hsl": {
    "h": 357.647,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53829,
    "c": 0.18871,
    "h": 24.6
  },
  "luminance": 0.13685
}

Semantic roles & 50–950 ramp

primary

#C42B31

secondary

#7DCECA

accent

#E7E141

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C42B31

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

Preview Lab → · Contrast checker → · Palette generator →