#6368DB#6368DB

#6368DB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.3% C 0.172 H 277.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#6368DB
RGB	rgb(99, 104, 219)
HSL	hsl(238, 63%, 62%)
HSV	hsv(238, 55%, 86%)
CMYK	cmyk(54.8%, 52.5%, 0%, 14.1%)
CIE-LAB	lab(49.09, 30.47, -59.74)
CIE-LCH	lch(49.09, 67.06, 297.02°)
OKLab	oklab(57.31% 0.0228 -0.1708)
OKLCH	oklch(57.31% 0.172 277.6)
XYZ	xyz(22.8780, 17.6662, 69.2085)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368DB #DBD663

analogous

#63A4DB #6368DB #9A63DB

triadic

#6368DB #DB6368 #68DB63

tetradic

#6368DB #DB63A4 #DBD663 #63DB9A

square

#6368DB #DB63A4 #DBD663 #63DB9A

split-complementary

#6368DB #DB9A63 #A4DB63

monochromatic

#252A9F #3138D0 #6368DB #9598E6 #C6C8F2

Accessibility & contrast

On white

4.63

#6368DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#6368DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6368DB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368DB	#FFFFFF	#000000	##FFFFFF
##6368DB	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#267ADF

Deuteranopia (green-blind)

#0B70D9

Tritanopia (blue-blind)

#268297

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6368db;
/* rgb */ color: rgb(99, 104, 219);
/* oklch */ color: oklch(57.3% 0.172 277.6);

Tailwind

colors: {
  custom: {
    50: '#9893e7',
    500: '#6368db',
    950: '#000000',
  },
}

SCSS

$custom: #6368db;
$custom-light: #9893e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6368db",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 219
  },
  "hsl": {
    "h": 237.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.57311,
    "c": 0.17236,
    "h": 277.6
  },
  "luminance": 0.17668
}

Semantic roles & 50–950 ramp

primary

#6368DB

secondary

#E3E1B7

accent

#C31BCA

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0F0D16

muted

#7E7E84

Preview Lab

Preview with #6368DB

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

Preview Lab → · Contrast checker → · Palette generator →