#D23437#D23437

#D23437 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.1% C 0.195 H 25.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#D23437
RGB	rgb(210, 52, 55)
HSL	hsl(359, 64%, 51%)
HSV	hsv(359, 75%, 82%)
CMYK	cmyk(0%, 75.2%, 73.8%, 17.6%)
CIE-LAB	lab(47.54, 60.76, 36.60)
CIE-LCH	lch(47.54, 70.93, 31.06°)
OKLab	oklab(57.13% 0.1762 0.0823)
OKLCH	oklch(57.13% 0.195 25)
XYZ	xyz(28.4992, 16.4379, 5.2859)
Luminance	0.1643 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23437 #34D2CF

analogous

#D23486 #D23437 #D28034

triadic

#D23437 #37D234 #3437D2

tetradic

#D23437 #86D234 #34D2CF #8034D2

square

#D23437 #86D234 #34D2CF #8034D2

split-complementary

#D23437 #34D280 #3486D2

monochromatic

#72191B #A42427 #D23437 #DD6668 #E8989A

Accessibility & contrast

On white

4.90

#D23437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#D23437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23437

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23437	#FFFFFF	#000000	##FFFFFF
##D23437	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#8B7D31

Tritanopia (blue-blind)

#E70037

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d23437;
/* rgb */ color: rgb(210, 52, 55);
/* oklch */ color: oklch(57.1% 0.195 25.0);

Tailwind

colors: {
  custom: {
    50: '#e9786e',
    500: '#d23437',
    950: '#000000',
  },
}

SCSS

$custom: #d23437;
$custom-light: #e9786e;
$custom-dark: #000000;

JSON

{
  "hex": "#d23437",
  "rgb": {
    "r": 210,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.861,
    "s": 63.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57128,
    "c": 0.19451,
    "h": 25
  },
  "luminance": 0.16433
}

Semantic roles & 50–950 ramp

primary

#D23437

secondary

#8ED4D2

accent

#E7E441

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23437

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

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