#C42B38#C42B38

#C42B38 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.9% C 0.188 H 22.3°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#C42B38
RGB	rgb(196, 43, 56)
HSL	hsl(355, 64%, 47%)
HSV	hsv(355, 78%, 77%)
CMYK	cmyk(0%, 78.1%, 71.4%, 23.1%)
CIE-LAB	lab(43.88, 59.45, 31.08)
CIE-LCH	lch(43.88, 67.08, 27.60°)
OKLab	oklab(53.93% 0.1741 0.0712)
OKLCH	oklch(53.93% 0.188 22.3)
XYZ	xyz(24.3454, 13.7528, 5.1133)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42B38 #2BC4B7

analogous

#C42B85 #C42B38 #C46B2B

triadic

#C42B38 #38C42B #2B38C4

tetradic

#C42B38 #85C42B #2BC4B7 #6B2BC4

square

#C42B38 #85C42B #2BC4B7 #6B2BC4

split-complementary

#C42B38 #2BC46B #2B85C4

monochromatic

#60151B #92202A #C42B38 #D9535E #E4858D

Accessibility & contrast

On white

5.60

#C42B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#C42B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42B38

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42B38	#FFFFFF	#000000	##FFFFFF
##C42B38	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5337

Deuteranopia (green-blind)

#807333

Tritanopia (blue-blind)

#D80032

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c42b38;
/* rgb */ color: rgb(196, 43, 56);
/* oklch */ color: oklch(53.9% 0.188 22.3);

Tailwind

colors: {
  custom: {
    50: '#df736e',
    500: '#c42b38',
    950: '#000000',
  },
}

SCSS

$custom: #c42b38;
$custom-light: #df736e;
$custom-dark: #000000;

JSON

{
  "hex": "#c42b38",
  "rgb": {
    "r": 196,
    "g": 43,
    "b": 56
  },
  "hsl": {
    "h": 354.902,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53927,
    "c": 0.18809,
    "h": 22.3
  },
  "luminance": 0.13749
}

Semantic roles & 50–950 ramp

primary

#C42B38

secondary

#7DCEC7

accent

#E7D941

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C42B38

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

Preview Lab → · Contrast checker → · Palette generator →