#D23939#D23939

#D23939 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.6% C 0.190 H 25.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#D23939
RGB	rgb(210, 57, 57)
HSL	hsl(0, 63%, 52%)
HSV	hsv(0, 73%, 82%)
CMYK	cmyk(0%, 72.9%, 72.9%, 17.6%)
CIE-LAB	lab(48.17, 59.18, 36.16)
CIE-LCH	lch(48.17, 69.35, 31.43°)
OKLab	oklab(57.6% 0.1717 0.0818)
OKLCH	oklch(57.6% 0.19 25.5)
XYZ	xyz(28.7833, 16.9277, 5.6219)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23939 #39D2D2

analogous

#D23986 #D23939 #D28639

triadic

#D23939 #39D239 #3939D2

tetradic

#D23939 #86D239 #39D2D2 #8639D2

square

#D23939 #86D239 #39D2D2 #8639D2

split-complementary

#D23939 #39D286 #3986D2

monochromatic

#761B1B #A82626 #D23939 #DD6B6B #E99D9D

Accessibility & contrast

On white

4.79

#D23939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#D23939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23939

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23939	#FFFFFF	#000000	##FFFFFF
##D23939	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D37

Deuteranopia (green-blind)

#8C7E34

Tritanopia (blue-blind)

#E7003B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d23939;
/* rgb */ color: rgb(210, 57, 57);
/* oklch */ color: oklch(57.6% 0.190 25.5);

Tailwind

colors: {
  custom: {
    50: '#e97a70',
    500: '#d23939',
    950: '#000000',
  },
}

SCSS

$custom: #d23939;
$custom-light: #e97a70;
$custom-dark: #000000;

JSON

{
  "hex": "#d23939",
  "rgb": {
    "r": 210,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57601,
    "c": 0.19014,
    "h": 25.5
  },
  "luminance": 0.16923
}

Semantic roles & 50–950 ramp

primary

#D23939

secondary

#92D5D5

accent

#E6E642

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23939

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

Preview Lab → · Contrast checker → · Palette generator →