#D23539#D23539

#D23539 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.2% C 0.193 H 24.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#D23539
RGB	rgb(210, 53, 57)
HSL	hsl(358, 64%, 52%)
HSV	hsv(358, 75%, 82%)
CMYK	cmyk(0%, 74.8%, 72.9%, 17.6%)
CIE-LAB	lab(47.69, 60.52, 35.61)
CIE-LCH	lch(47.69, 70.22, 30.47°)
OKLab	oklab(57.24% 0.1759 0.0806)
OKLCH	oklch(57.24% 0.193 24.6)
XYZ	xyz(28.5933, 16.5477, 5.5586)
Luminance	0.1654 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23539 #35D2CE

analogous

#D23588 #D23539 #D28035

triadic

#D23539 #39D235 #3539D2

tetradic

#D23539 #88D235 #35D2CE #8035D2

square

#D23539 #88D235 #35D2CE #8035D2

split-complementary

#D23539 #35D280 #3588D2

monochromatic

#731A1C #A52528 #D23539 #DD676A #E8999B

Accessibility & contrast

On white

4.87

#D23539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#D23539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23539

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23539	#FFFFFF	#000000	##FFFFFF
##D23539	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C37

Deuteranopia (green-blind)

#8B7D33

Tritanopia (blue-blind)

#E70038

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d23539;
/* rgb */ color: rgb(210, 53, 57);
/* oklch */ color: oklch(57.2% 0.193 24.6);

Tailwind

colors: {
  custom: {
    50: '#e9796f',
    500: '#d23539',
    950: '#000000',
  },
}

SCSS

$custom: #d23539;
$custom-light: #e9796f;
$custom-dark: #000000;

JSON

{
  "hex": "#d23539",
  "rgb": {
    "r": 210,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.471,
    "s": 63.563,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57241,
    "c": 0.19348,
    "h": 24.6
  },
  "luminance": 0.16543
}

Semantic roles & 50–950 ramp

primary

#D23539

secondary

#8FD4D2

accent

#E7E241

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23539

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

Preview Lab → · Contrast checker → · Palette generator →