#D23F3A#D23F3A

#D23F3A is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.2% C 0.185 H 26.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#D23F3A
RGB	rgb(210, 63, 58)
HSL	hsl(2, 63%, 53%)
HSV	hsv(2, 72%, 82%)
CMYK	cmyk(0%, 70%, 72.4%, 17.6%)
CIE-LAB	lab(48.97, 57.06, 36.50)
CIE-LCH	lch(48.97, 67.73, 32.61°)
OKLab	oklab(58.2% 0.1652 0.0827)
OKLCH	oklch(58.2% 0.185 26.6)
XYZ	xyz(29.1228, 17.5665, 5.8594)
Luminance	0.1756 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23F3A #3ACDD2

analogous

#D23A81 #D23F3A #D28B3A

triadic

#D23F3A #3AD23F #3F3AD2

tetradic

#D23F3A #81D23A #3ACDD2 #8B3AD2

square

#D23F3A #81D23A #3ACDD2 #8B3AD2

split-complementary

#D23F3A #3AD28B #3A81D2

monochromatic

#771E1B #A82B26 #D23F3A #DD706C #E9A09E

Accessibility & contrast

On white

4.65

#D23F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#D23F3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D23F3A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23F3A	#FFFFFF	#000000	##FFFFFF
##D23F3A	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)

#696038

Deuteranopia (green-blind)

#8E8035

Tritanopia (blue-blind)

#E7073F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d23f3a;
/* rgb */ color: rgb(210, 63, 58);
/* oklch */ color: oklch(58.2% 0.185 26.6);

Tailwind

colors: {
  custom: {
    50: '#e87d70',
    500: '#d23f3a',
    950: '#000000',
  },
}

SCSS

$custom: #d23f3a;
$custom-light: #e87d70;
$custom-dark: #000000;

JSON

{
  "hex": "#d23f3a",
  "rgb": {
    "r": 210,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 1.974,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58201,
    "c": 0.18473,
    "h": 26.6
  },
  "luminance": 0.17562
}

Semantic roles & 50–950 ramp

primary

#D23F3A

secondary

#93D3D5

accent

#E0E642

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D23F3A

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

Preview Lab → · Contrast checker → · Palette generator →