#D83F3F#D83F3F

#D83F3F is a mid, vivid red. Relative luminance 0.185; OKLCH L 59.3% C 0.190 H 25.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#D83F3F
RGB	rgb(216, 63, 63)
HSL	hsl(0, 66%, 55%)
HSV	hsv(0, 71%, 85%)
CMYK	cmyk(0%, 70.8%, 70.8%, 15.3%)
CIE-LAB	lab(50.12, 59.17, 35.26)
CIE-LCH	lch(50.12, 68.88, 30.79°)
OKLab	oklab(59.28% 0.1722 0.0807)
OKLCH	oklch(59.28% 0.19 25.1)
XYZ	xyz(30.9971, 18.5175, 6.6437)
Luminance	0.1851 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D83F3F #3FD8D8

analogous

#D83F8C #D83F3F #D88C3F

triadic

#D83F3F #3FD83F #3F3FD8

tetradic

#D83F3F #8CD83F #3FD8D8 #8C3FD8

square

#D83F3F #8CD83F #3FD8D8 #8C3FD8

split-complementary

#D83F3F #3FD88C #3F8CD8

monochromatic

#821A1A #B52525 #D83F3F #E27272 #EDA5A5

Accessibility & contrast

On white

4.47

#D83F3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#D83F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #D83F3F

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D83F3F	#FFFFFF	#000000	##000000
##D83F3F	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B623D

Deuteranopia (green-blind)

#91833A

Tritanopia (blue-blind)

#ED0041

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #d83f3f;
/* rgb */ color: rgb(216, 63, 63);
/* oklch */ color: oklch(59.3% 0.190 25.1);

Tailwind

colors: {
  custom: {
    50: '#ed7e74',
    500: '#d83f3f',
    950: '#000000',
  },
}

SCSS

$custom: #d83f3f;
$custom-light: #ed7e74;
$custom-dark: #000000;

JSON

{
  "hex": "#d83f3f",
  "rgb": {
    "r": 216,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5928,
    "c": 0.19013,
    "h": 25.1
  },
  "luminance": 0.18513
}

Semantic roles & 50–950 ramp

primary

#D83F3F

secondary

#99DADA

accent

#E9E93F

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D83F3F

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

Preview Lab → · Contrast checker → · Palette generator →