#D23A39#D23A39

#D23A39 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.7% C 0.189 H 25.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#D23A39
RGB	rgb(210, 58, 57)
HSL	hsl(0, 63%, 52%)
HSV	hsv(0, 73%, 82%)
CMYK	cmyk(0%, 72.4%, 72.9%, 17.6%)
CIE-LAB	lab(48.29, 58.83, 36.31)
CIE-LCH	lch(48.29, 69.13, 31.68°)
OKLab	oklab(57.69% 0.1705 0.0821)
OKLCH	oklch(57.69% 0.189 25.7)
XYZ	xyz(28.8332, 17.0276, 5.6385)
Luminance	0.1702 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23A39 #39D1D2

analogous

#D23985 #D23A39 #D28639

triadic

#D23A39 #39D23A #3A39D2

tetradic

#D23A39 #85D239 #39D1D2 #8639D2

square

#D23A39 #85D239 #39D1D2 #8639D2

split-complementary

#D23A39 #39D286 #3985D2

monochromatic

#761B1B #A82726 #D23A39 #DD6C6B #E99D9D

Accessibility & contrast

On white

4.77

#D23A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#D23A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23A39

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23A39	#FFFFFF	#000000	##FFFFFF
##D23A39	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E37

Deuteranopia (green-blind)

#8C7F34

Tritanopia (blue-blind)

#E7003C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23a39;
/* rgb */ color: rgb(210, 58, 57);
/* oklch */ color: oklch(57.7% 0.189 25.7);

Tailwind

colors: {
  custom: {
    50: '#e97b70',
    500: '#d23a39',
    950: '#000000',
  },
}

SCSS

$custom: #d23a39;
$custom-light: #e97b70;
$custom-dark: #000000;

JSON

{
  "hex": "#d23a39",
  "rgb": {
    "r": 210,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.392,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57695,
    "c": 0.18927,
    "h": 25.7
  },
  "luminance": 0.17023
}

Semantic roles & 50–950 ramp

primary

#D23A39

secondary

#92D4D5

accent

#E5E642

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23A39

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

Preview Lab → · Contrast checker → · Palette generator →