#D63B3B#D63B3B

#D63B3B is a mid, vivid red. Relative luminance 0.177; OKLCH L 58.5% C 0.192 H 25.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#D63B3B
RGB	rgb(214, 59, 59)
HSL	hsl(0, 65%, 54%)
HSV	hsv(0, 72%, 84%)
CMYK	cmyk(0%, 72.4%, 72.4%, 16.1%)
CIE-LAB	lab(49.18, 59.80, 36.38)
CIE-LCH	lch(49.18, 69.99, 31.31°)
OKLab	oklab(58.5% 0.1735 0.0825)
OKLCH	oklch(58.5% 0.192 25.4)
XYZ	xyz(30.0884, 17.7444, 5.9775)
Luminance	0.1774 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D63B3B #3BD6D6

analogous

#D63B88 #D63B3B #D6883B

triadic

#D63B3B #3BD63B #3B3BD6

tetradic

#D63B3B #88D63B #3BD6D6 #883BD6

square

#D63B3B #88D63B #3BD6D6 #883BD6

split-complementary

#D63B3B #3BD688 #3B88D6

monochromatic

#7D1A1A #AF2525 #D63B3B #E16E6E #EBA0A0

Accessibility & contrast

On white

4.62

#D63B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#D63B3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D63B3B

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D63B3B	#FFFFFF	#000000	##FFFFFF
##D63B3B	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686039

Deuteranopia (green-blind)

#8F8136

Tritanopia (blue-blind)

#EB003D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d63b3b;
/* rgb */ color: rgb(214, 59, 59);
/* oklch */ color: oklch(58.5% 0.192 25.4);

Tailwind

colors: {
  custom: {
    50: '#eb7c71',
    500: '#d63b3b',
    950: '#000000',
  },
}

SCSS

$custom: #d63b3b;
$custom-light: #eb7c71;
$custom-dark: #000000;

JSON

{
  "hex": "#d63b3b",
  "rgb": {
    "r": 214,
    "g": 59,
    "b": 59
  },
  "hsl": {
    "h": 0,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58501,
    "c": 0.19213,
    "h": 25.4
  },
  "luminance": 0.1774
}

Semantic roles & 50–950 ramp

primary

#D63B3B

secondary

#95D8D8

accent

#E8E83F

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D63B3B

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

Preview Lab → · Contrast checker → · Palette generator →