#D42F23#D42F23

#D42F23 is a mid, highly saturated red. Relative luminance 0.162; OKLCH L 56.9% C 0.203 H 29.3°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#D42F23
RGB	rgb(212, 47, 35)
HSL	hsl(4, 72%, 48%)
HSV	hsv(4, 83%, 83%)
CMYK	cmyk(0%, 77.8%, 83.5%, 16.9%)
CIE-LAB	lab(47.18, 62.24, 47.15)
CIE-LCH	lch(47.18, 78.08, 37.15°)
OKLab	oklab(56.86% 0.1767 0.099)
OKLCH	oklch(56.86% 0.203 29.3)
XYZ	xyz(28.4748, 16.1560, 3.2089)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D42F23 #23C8D4

analogous

#D4236F #D42F23 #D48723

triadic

#D42F23 #23D42F #2F23D4

tetradic

#D42F23 #6FD423 #23C8D4 #8723D4

square

#D42F23 #6FD423 #23C8D4 #8723D4

split-complementary

#D42F23 #23D487 #236FD4

monochromatic

#6B1812 #9F231A #D42F23 #E25C52 #EB8D86

Accessibility & contrast

On white

4.96

#D42F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#D42F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D42F23

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D42F23	#FFFFFF	#000000	##FFFFFF
##D42F23	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64591F

Deuteranopia (green-blind)

#8C7D19

Tritanopia (blue-blind)

#EA002F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #d42f23;
/* rgb */ color: rgb(212, 47, 35);
/* oklch */ color: oklch(56.9% 0.203 29.3);

Tailwind

colors: {
  custom: {
    50: '#ec7660',
    500: '#d42f23',
    950: '#000000',
  },
}

SCSS

$custom: #d42f23;
$custom-light: #ec7660;
$custom-dark: #000000;

JSON

{
  "hex": "#d42f23",
  "rgb": {
    "r": 212,
    "g": 47,
    "b": 35
  },
  "hsl": {
    "h": 4.068,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.20254,
    "h": 29.3
  },
  "luminance": 0.16151
}

Semantic roles & 50–950 ramp

primary

#D42F23

secondary

#7ECFD4

accent

#E2EE39

background

#FFF7F5

surface

#FFEEEA

border

#D7C9C6

text

#190A05

muted

#867C79

Preview Lab

Preview with #D42F23

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

Preview Lab → · Contrast checker → · Palette generator →