#D23A40#D23A40

#D23A40 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.8% C 0.189 H 23.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#D23A40
RGB	rgb(210, 58, 64)
HSL	hsl(358, 63%, 53%)
HSV	hsv(358, 72%, 82%)
CMYK	cmyk(0%, 72.4%, 69.5%, 17.6%)
CIE-LAB	lab(48.39, 59.15, 32.36)
CIE-LCH	lch(48.39, 67.42, 28.68°)
OKLab	oklab(57.79% 0.173 0.0748)
OKLCH	oklch(57.79% 0.189 23.4)
XYZ	xyz(29.0200, 17.1023, 6.6225)
Luminance	0.1710 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23A40 #3AD2CC

analogous

#D23A8C #D23A40 #D2803A

triadic

#D23A40 #40D23A #3A40D2

tetradic

#D23A40 #8CD23A #3AD2CC #803AD2

square

#D23A40 #8CD23A #3AD2CC #803AD2

split-complementary

#D23A40 #3AD280 #3A8CD2

monochromatic

#771B1F #A8262C #D23A40 #DD6C70 #E99EA1

Accessibility & contrast

On white

4.75

#D23A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#D23A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23A40

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23A40	#FFFFFF	#000000	##FFFFFF
##D23A40	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3F

Deuteranopia (green-blind)

#8C7F3B

Tritanopia (blue-blind)

#E7003E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23a40;
/* rgb */ color: rgb(210, 58, 64);
/* oklch */ color: oklch(57.8% 0.189 23.4);

Tailwind

colors: {
  custom: {
    50: '#e87b75',
    500: '#d23a40',
    950: '#000000',
  },
}

SCSS

$custom: #d23a40;
$custom-light: #e87b75;
$custom-dark: #000000;

JSON

{
  "hex": "#d23a40",
  "rgb": {
    "r": 210,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 357.632,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57795,
    "c": 0.1885,
    "h": 23.4
  },
  "luminance": 0.17098
}

Semantic roles & 50–950 ramp

primary

#D23A40

secondary

#93D5D2

accent

#E6DF42

background

#FFF7F7

surface

#FFEEED

border

#D7C9C8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D23A40

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

Preview Lab → · Contrast checker → · Palette generator →