#D23F3B#D23F3B

#D23F3B is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.2% C 0.185 H 26.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#D23F3B
RGB	rgb(210, 63, 59)
HSL	hsl(2, 63%, 53%)
HSV	hsv(2, 72%, 82%)
CMYK	cmyk(0%, 70%, 71.9%, 17.6%)
CIE-LAB	lab(48.98, 57.10, 35.95)
CIE-LCH	lch(48.98, 67.47, 32.19°)
OKLab	oklab(58.21% 0.1655 0.0817)
OKLCH	oklch(58.21% 0.185 26.3)
XYZ	xyz(29.1485, 17.5768, 5.9947)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23F3B #3BCED2

analogous

#D23B83 #D23F3B #D28A3B

triadic

#D23F3B #3BD23F #3F3BD2

tetradic

#D23F3B #83D23B #3BCED2 #8A3BD2

square

#D23F3B #83D23B #3BCED2 #8A3BD2

split-complementary

#D23F3B #3BD28A #3B83D2

monochromatic

#771E1B #A92A27 #D23F3B #DD706D #E9A19F

Accessibility & contrast

On white

4.65

#D23F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#D23F3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D23F3B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23F3B	#FFFFFF	#000000	##FFFFFF
##D23F3B	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8E8036

Tritanopia (blue-blind)

#E70740

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d23f3b;
/* rgb */ color: rgb(210, 63, 59);
/* oklch */ color: oklch(58.2% 0.185 26.3);

Tailwind

colors: {
  custom: {
    50: '#e87d71',
    500: '#d23f3b',
    950: '#000000',
  },
}

SCSS

$custom: #d23f3b;
$custom-light: #e87d71;
$custom-dark: #000000;

JSON

{
  "hex": "#d23f3b",
  "rgb": {
    "r": 210,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.589,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58214,
    "c": 0.18459,
    "h": 26.3
  },
  "luminance": 0.17572
}

Semantic roles & 50–950 ramp

primary

#D23F3B

secondary

#94D3D5

accent

#E1E642

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23F3B

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

Preview Lab → · Contrast checker → · Palette generator →