#D43131#D43131

#D43131 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.2% C 0.199 H 26.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#D43131
RGB	rgb(212, 49, 49)
HSL	hsl(0, 65%, 51%)
HSV	hsv(0, 77%, 83%)
CMYK	cmyk(0%, 76.9%, 76.9%, 16.9%)
CIE-LAB	lab(47.52, 62.06, 40.08)
CIE-LCH	lch(47.52, 73.88, 32.85°)
OKLab	oklab(57.16% 0.1789 0.0882)
OKLCH	oklch(57.16% 0.199 26.3)
XYZ	xyz(28.8075, 16.4200, 4.5577)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43131 #31D4D4

analogous

#D43182 #D43131 #D48231

triadic

#D43131 #31D431 #3131D4

tetradic

#D43131 #82D431 #31D4D4 #8231D4

square

#D43131 #82D431 #31D4D4 #8231D4

split-complementary

#D43131 #31D482 #3182D4

monochromatic

#731818 #A52323 #D43131 #DF6464 #E99696

Accessibility & contrast

On white

4.90

#D43131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#D43131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D43131

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43131	#FFFFFF	#000000	##FFFFFF
##D43131	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2F

Deuteranopia (green-blind)

#8C7D2A

Tritanopia (blue-blind)

#E90033

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d43131;
/* rgb */ color: rgb(212, 49, 49);
/* oklch */ color: oklch(57.2% 0.199 26.3);

Tailwind

colors: {
  custom: {
    50: '#eb776a',
    500: '#d43131',
    950: '#000000',
  },
}

SCSS

$custom: #d43131;
$custom-light: #eb776a;
$custom-dark: #000000;

JSON

{
  "hex": "#d43131",
  "rgb": {
    "r": 212,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57157,
    "c": 0.19942,
    "h": 26.3
  },
  "luminance": 0.16415
}

Semantic roles & 50–950 ramp

primary

#D43131

secondary

#8CD4D4

accent

#E8E83F

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D43131

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

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