#D23A3B#D23A3B

#D23A3B is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.7% C 0.189 H 25.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#D23A3B
RGB	rgb(210, 58, 59)
HSL	hsl(360, 63%, 53%)
HSV	hsv(360, 72%, 82%)
CMYK	cmyk(0%, 72.4%, 71.9%, 17.6%)
CIE-LAB	lab(48.32, 58.92, 35.19)
CIE-LCH	lch(48.32, 68.62, 30.85°)
OKLab	oklab(57.72% 0.1712 0.0801)
OKLCH	oklch(57.72% 0.189 25.1)
XYZ	xyz(28.8841, 17.0479, 5.9065)
Luminance	0.1704 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23A3B #3AD2D1

analogous

#D23A87 #D23A3B #D2853A

triadic

#D23A3B #3BD23A #3A3BD2

tetradic

#D23A3B #87D23A #3AD2D1 #853AD2

square

#D23A3B #87D23A #3AD2D1 #853AD2

split-complementary

#D23A3B #3AD285 #3A87D2

monochromatic

#771B1C #A82627 #D23A3B #DD6C6D #E99E9E

Accessibility & contrast

On white

4.76

#D23A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#D23A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23A3B

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23A3B	#FFFFFF	#000000	##FFFFFF
##D23A3B	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E39

Deuteranopia (green-blind)

#8C7F36

Tritanopia (blue-blind)

#E7003C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23a3b;
/* rgb */ color: rgb(210, 58, 59);
/* oklch */ color: oklch(57.7% 0.189 25.1);

Tailwind

colors: {
  custom: {
    50: '#e87b71',
    500: '#d23a3b',
    950: '#000000',
  },
}

SCSS

$custom: #d23a3b;
$custom-light: #e87b71;
$custom-dark: #000000;

JSON

{
  "hex": "#d23a3b",
  "rgb": {
    "r": 210,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.605,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57723,
    "c": 0.18904,
    "h": 25.1
  },
  "luminance": 0.17044
}

Semantic roles & 50–950 ramp

primary

#D23A3B

secondary

#93D5D4

accent

#E6E542

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23A3B

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

Preview Lab → · Contrast checker → · Palette generator →