#D23537#D23537

#D23537 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.2% C 0.194 H 25.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#D23537
RGB	rgb(210, 53, 55)
HSL	hsl(359, 64%, 52%)
HSV	hsv(359, 75%, 82%)
CMYK	cmyk(0%, 74.8%, 73.8%, 17.6%)
CIE-LAB	lab(47.66, 60.44, 36.73)
CIE-LCH	lch(47.66, 70.72, 31.29°)
OKLab	oklab(57.21% 0.1752 0.0826)
OKLCH	oklch(57.21% 0.194 25.2)
XYZ	xyz(28.5443, 16.5281, 5.3009)
Luminance	0.1652 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23537 #35D2D0

analogous

#D23586 #D23537 #D28235

triadic

#D23537 #37D235 #3537D2

tetradic

#D23537 #86D235 #35D2D0 #8235D2

square

#D23537 #86D235 #35D2D0 #8235D2

split-complementary

#D23537 #35D282 #3586D2

monochromatic

#731A1B #A52526 #D23537 #DD6769 #E8999A

Accessibility & contrast

On white

4.88

#D23537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#D23537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23537

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23537	#FFFFFF	#000000	##FFFFFF
##D23537	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#8B7D31

Tritanopia (blue-blind)

#E70038

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d23537;
/* rgb */ color: rgb(210, 53, 55);
/* oklch */ color: oklch(57.2% 0.194 25.2);

Tailwind

colors: {
  custom: {
    50: '#e9796e',
    500: '#d23537',
    950: '#000000',
  },
}

SCSS

$custom: #d23537;
$custom-light: #e9796e;
$custom-dark: #000000;

JSON

{
  "hex": "#d23537",
  "rgb": {
    "r": 210,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.236,
    "s": 63.563,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57214,
    "c": 0.19371,
    "h": 25.2
  },
  "luminance": 0.16524
}

Semantic roles & 50–950 ramp

primary

#D23537

secondary

#8FD4D3

accent

#E7E441

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23537

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

Preview Lab → · Contrast checker → · Palette generator →