#D43523#D43523

#D43523 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.4% C 0.198 H 30.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#D43523
RGB	rgb(212, 53, 35)
HSL	hsl(6, 72%, 48%)
HSV	hsv(6, 83%, 83%)
CMYK	cmyk(0%, 75%, 83.5%, 16.9%)
CIE-LAB	lab(47.84, 60.39, 47.75)
CIE-LCH	lch(47.84, 76.99, 38.33°)
OKLab	oklab(57.35% 0.1709 0.1004)
OKLCH	oklch(57.35% 0.198 30.4)
XYZ	xyz(28.7314, 16.6692, 3.2944)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43523 #23C2D4

analogous

#D42369 #D43523 #D48D23

triadic

#D43523 #23D435 #3523D4

tetradic

#D43523 #69D423 #23C2D4 #8D23D4

square

#D43523 #69D423 #23C2D4 #8D23D4

split-complementary

#D43523 #23D48D #2369D4

monochromatic

#6B1B12 #9F281A #D43523 #E26152 #EB9186

Accessibility & contrast

On white

4.85

#D43523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#D43523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43523

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43523	#FFFFFF	#000000	##FFFFFF
##D43523	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B1F

Deuteranopia (green-blind)

#8E7E1A

Tritanopia (blue-blind)

#EA0033

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d43523;
/* rgb */ color: rgb(212, 53, 35);
/* oklch */ color: oklch(57.4% 0.198 30.4);

Tailwind

colors: {
  custom: {
    50: '#ec7961',
    500: '#d43523',
    950: '#000000',
  },
}

SCSS

$custom: #d43523;
$custom-light: #ec7961;
$custom-dark: #000000;

JSON

{
  "hex": "#d43523",
  "rgb": {
    "r": 212,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 6.102,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57354,
    "c": 0.19821,
    "h": 30.4
  },
  "luminance": 0.16665
}

Semantic roles & 50–950 ramp

primary

#D43523

secondary

#7ECCD4

accent

#DCEE39

background

#FFF7F5

surface

#FFEEEA

border

#D7C9C6

text

#180A05

muted

#867C79

Preview Lab

Preview with #D43523

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

Preview Lab → · Contrast checker → · Palette generator →