#C42B2F#C42B2F

#C42B2F is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.8% C 0.189 H 25.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#C42B2F
RGB	rgb(196, 43, 47)
HSL	hsl(358, 64%, 47%)
HSV	hsv(358, 78%, 77%)
CMYK	cmyk(0%, 78.1%, 76%, 23.1%)
CIE-LAB	lab(43.76, 59.08, 36.24)
CIE-LCH	lch(43.76, 69.31, 31.52°)
OKLab	oklab(53.8% 0.1709 0.0805)
OKLCH	oklch(53.8% 0.189 25.2)
XYZ	xyz(24.1448, 13.6726, 4.0565)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42B2F #2BC4C0

analogous

#C42B7C #C42B2F #C4732B

triadic

#C42B2F #2FC42B #2B2FC4

tetradic

#C42B2F #7CC42B #2BC4C0 #732BC4

square

#C42B2F #7CC42B #2BC4C0 #732BC4

split-complementary

#C42B2F #2BC473 #2B7CC4

monochromatic

#601517 #922023 #C42B2F #D95356 #E48588

Accessibility & contrast

On white

5.62

#C42B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#C42B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42B2F

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42B2F	#FFFFFF	#000000	##FFFFFF
##C42B2F	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B522D

Deuteranopia (green-blind)

#807329

Tritanopia (blue-blind)

#D8002F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42b2f;
/* rgb */ color: rgb(196, 43, 47);
/* oklch */ color: oklch(53.8% 0.189 25.2);

Tailwind

colors: {
  custom: {
    50: '#df7268',
    500: '#c42b2f',
    950: '#000000',
  },
}

SCSS

$custom: #c42b2f;
$custom-light: #df7268;
$custom-dark: #000000;

JSON

{
  "hex": "#c42b2f",
  "rgb": {
    "r": 196,
    "g": 43,
    "b": 47
  },
  "hsl": {
    "h": 358.431,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53803,
    "c": 0.18892,
    "h": 25.2
  },
  "luminance": 0.13669
}

Semantic roles & 50–950 ramp

primary

#C42B2F

secondary

#7DCECB

accent

#E7E341

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C42B2F

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

Preview Lab → · Contrast checker → · Palette generator →