#6373CD#6373CD

#6373CD is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.5% C 0.138 H 273.8°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#6373CD
RGB	rgb(99, 115, 205)
HSL	hsl(231, 51%, 60%)
HSV	hsv(231, 52%, 80%)
CMYK	cmyk(51.7%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(51.06, 19.30, -48.62)
CIE-LCH	lch(51.06, 52.31, 291.65°)
OKLab	oklab(58.53% 0.0091 -0.1381)
OKLCH	oklch(58.53% 0.138 273.8)
XYZ	xyz(22.2922, 19.3205, 60.3003)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6373CD #CDBD63

analogous

#63A8CD #6373CD #8863CD

triadic

#6373CD #CD6373 #73CD63

tetradic

#6373CD #CD63A8 #CDBD63 #63CD88

square

#6373CD #CD63A8 #CDBD63 #63CD88

split-complementary

#6373CD #CD8863 #A8CD63

monochromatic

#2C3A8A #3B4EB8 #6373CD #919DDC #C0C6EB

Accessibility & contrast

On white

4.32

#6373CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#6373CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6373CD

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6373CD	#FFFFFF	#000000	##000000
##6373CD	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7ED0

Deuteranopia (green-blind)

#4275CB

Tritanopia (blue-blind)

#348696

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6373cd;
/* rgb */ color: rgb(99, 115, 205);
/* oklch */ color: oklch(58.5% 0.138 273.8);

Tailwind

colors: {
  custom: {
    50: '#969bdd',
    500: '#6373cd',
    950: '#000000',
  },
}

SCSS

$custom: #6373cd;
$custom-light: #969bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#6373cd",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 230.943,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58531,
    "c": 0.13839,
    "h": 273.8
  },
  "luminance": 0.19322
}

Semantic roles & 50–950 ramp

primary

#6373CD

secondary

#DAD4B1

accent

#C54DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6373CD

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

Preview Lab → · Contrast checker → · Palette generator →