#D23A3F#D23A3F

#D23A3F is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.8% C 0.189 H 23.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#D23A3F
RGB	rgb(210, 58, 63)
HSL	hsl(358, 63%, 53%)
HSV	hsv(358, 72%, 82%)
CMYK	cmyk(0%, 72.4%, 70%, 17.6%)
CIE-LAB	lab(48.37, 59.10, 32.93)
CIE-LCH	lch(48.37, 67.65, 29.13°)
OKLab	oklab(57.78% 0.1727 0.0759)
OKLCH	oklch(57.78% 0.189 23.7)
XYZ	xyz(28.9918, 17.0910, 6.4740)
Luminance	0.1709 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23A3F #3AD2CD

analogous

#D23A8B #D23A3F #D2813A

triadic

#D23A3F #3FD23A #3A3FD2

tetradic

#D23A3F #8BD23A #3AD2CD #813AD2

square

#D23A3F #8BD23A #3AD2CD #813AD2

split-complementary

#D23A3F #3AD281 #3A8BD2

monochromatic

#771B1E #A8262B #D23A3F #DD6C70 #E99EA0

Accessibility & contrast

On white

4.75

#D23A3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#D23A3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D23A3F

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23A3F	#FFFFFF	#000000	##FFFFFF
##D23A3F	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)

#665E3E

Deuteranopia (green-blind)

#8C7F3A

Tritanopia (blue-blind)

#E7003D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d23a3f;
/* rgb */ color: rgb(210, 58, 63);
/* oklch */ color: oklch(57.8% 0.189 23.7);

Tailwind

colors: {
  custom: {
    50: '#e87b74',
    500: '#d23a3f',
    950: '#000000',
  },
}

SCSS

$custom: #d23a3f;
$custom-light: #e87b74;
$custom-dark: #000000;

JSON

{
  "hex": "#d23a3f",
  "rgb": {
    "r": 210,
    "g": 58,
    "b": 63
  },
  "hsl": {
    "h": 358.026,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5778,
    "c": 0.1886,
    "h": 23.7
  },
  "luminance": 0.17087
}

Semantic roles & 50–950 ramp

primary

#D23A3F

secondary

#93D5D3

accent

#E6E042

background

#FFF7F7

surface

#FFEEED

border

#D7C9C8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D23A3F

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

Preview Lab → · Contrast checker → · Palette generator →