#D23F3F#D23F3F

#D23F3F is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.184 H 24.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D23F3F
RGB	rgb(210, 63, 63)
HSL	hsl(0, 62%, 54%)
HSV	hsv(0, 70%, 82%)
CMYK	cmyk(0%, 70%, 70%, 17.6%)
CIE-LAB	lab(49.03, 57.29, 33.71)
CIE-LCH	lch(49.03, 66.47, 30.47°)
OKLab	oklab(58.27% 0.1669 0.0776)
OKLCH	oklch(58.27% 0.184 24.9)
XYZ	xyz(29.2563, 17.6199, 6.5621)
Luminance	0.1762 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D23F3F #3FD2D2

analogous

#D23F88 #D23F3F #D2883F

triadic

#D23F3F #3FD23F #3F3FD2

tetradic

#D23F3F #88D23F #3FD2D2 #883FD2

square

#D23F3F #88D23F #3FD2D2 #883FD2

split-complementary

#D23F3F #3FD288 #3F88D2

monochromatic

#7A1D1D #AC2828 #D23F3F #DE7171 #E9A2A2

Accessibility & contrast

On white

4.64

#D23F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#D23F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D23F3F

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D23F3F	#FFFFFF	#000000	##FFFFFF
##D23F3F	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603D

Deuteranopia (green-blind)

#8D803A

Tritanopia (blue-blind)

#E70A41

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d23f3f;
/* rgb */ color: rgb(210, 63, 63);
/* oklch */ color: oklch(58.3% 0.184 24.9);

Tailwind

colors: {
  custom: {
    50: '#e87d74',
    500: '#d23f3f',
    950: '#000000',
  },
}

SCSS

$custom: #d23f3f;
$custom-light: #e87d74;
$custom-dark: #000000;

JSON

{
  "hex": "#d23f3f",
  "rgb": {
    "r": 210,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58271,
    "c": 0.18407,
    "h": 24.9
  },
  "luminance": 0.17616
}

Semantic roles & 50–950 ramp

primary

#D23F3F

secondary

#97D6D6

accent

#E5E543

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D23F3F

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

Preview Lab → · Contrast checker → · Palette generator →