#D23A3A#D23A3A

#D23A3A is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.7% C 0.189 H 25.4°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#D23A3A
RGB	rgb(210, 58, 58)
HSL	hsl(0, 63%, 53%)
HSV	hsv(0, 72%, 82%)
CMYK	cmyk(0%, 72.4%, 72.4%, 17.6%)
CIE-LAB	lab(48.31, 58.87, 35.75)
CIE-LCH	lch(48.31, 68.87, 31.27°)
OKLab	oklab(57.71% 0.1709 0.0811)
OKLCH	oklch(57.71% 0.189 25.4)
XYZ	xyz(28.8584, 17.0376, 5.7712)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23A3A #3AD2D2

analogous

#D23A86 #D23A3A #D2863A

triadic

#D23A3A #3AD23A #3A3AD2

tetradic

#D23A3A #86D23A #3AD2D2 #863AD2

square

#D23A3A #86D23A #3AD2D2 #863AD2

split-complementary

#D23A3A #3AD286 #3A86D2

monochromatic

#771B1B #A82626 #D23A3A #DD6C6C #E99E9E

Accessibility & contrast

On white

4.77

#D23A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#D23A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23A3A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23A3A	#FFFFFF	#000000	##FFFFFF
##D23A3A	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E38

Deuteranopia (green-blind)

#8C7F35

Tritanopia (blue-blind)

#E7003C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23a3a;
/* rgb */ color: rgb(210, 58, 58);
/* oklch */ color: oklch(57.7% 0.189 25.4);

Tailwind

colors: {
  custom: {
    50: '#e97b70',
    500: '#d23a3a',
    950: '#000000',
  },
}

SCSS

$custom: #d23a3a;
$custom-light: #e97b70;
$custom-dark: #000000;

JSON

{
  "hex": "#d23a3a",
  "rgb": {
    "r": 210,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57709,
    "c": 0.18915,
    "h": 25.4
  },
  "luminance": 0.17033
}

Semantic roles & 50–950 ramp

primary

#D23A3A

secondary

#93D5D5

accent

#E6E642

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23A3A

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

Preview Lab → · Contrast checker → · Palette generator →