#D43A23#D43A23

#D43A23 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.8% C 0.194 H 31.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#D43A23
RGB	rgb(212, 58, 35)
HSL	hsl(8, 72%, 48%)
HSV	hsv(8, 83%, 83%)
CMYK	cmyk(0%, 72.6%, 83.5%, 16.9%)
CIE-LAB	lab(48.45, 58.71, 48.29)
CIE-LCH	lch(48.45, 76.02, 39.44°)
OKLab	oklab(57.81% 0.1657 0.1016)
OKLCH	oklch(57.81% 0.194 31.5)
XYZ	xyz(28.9713, 17.1491, 3.3744)
Luminance	0.1714 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43A23 #23BDD4

analogous

#D42364 #D43A23 #D49323

triadic

#D43A23 #23D43A #3A23D4

tetradic

#D43A23 #64D423 #23BDD4 #9323D4

square

#D43A23 #64D423 #23BDD4 #9323D4

split-complementary

#D43A23 #23D493 #2364D4

monochromatic

#6B1D12 #9F2C1A #D43A23 #E26552 #EB9386

Accessibility & contrast

On white

4.74

#D43A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#D43A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43A23

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43A23	#FFFFFF	#000000	##FFFFFF
##D43A23	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D1E

Deuteranopia (green-blind)

#8F7F1A

Tritanopia (blue-blind)

#EA0036

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d43a23;
/* rgb */ color: rgb(212, 58, 35);
/* oklch */ color: oklch(57.8% 0.194 31.5);

Tailwind

colors: {
  custom: {
    50: '#eb7b61',
    500: '#d43a23',
    950: '#000000',
  },
}

SCSS

$custom: #d43a23;
$custom-light: #eb7b61;
$custom-dark: #000000;

JSON

{
  "hex": "#d43a23",
  "rgb": {
    "r": 212,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 7.797,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57807,
    "c": 0.19435,
    "h": 31.5
  },
  "luminance": 0.17145
}

Semantic roles & 50–950 ramp

primary

#D43A23

secondary

#7EC9D4

accent

#D7EE39

background

#FFF7F5

surface

#FFEEEA

border

#D7C9C6

text

#180A05

muted

#867C79

Preview Lab

Preview with #D43A23

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

Preview Lab → · Contrast checker → · Palette generator →