#6368EF#6368EF

#6368EF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.7% C 0.199 H 276.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#6368EF
RGB	rgb(99, 104, 239)
HSL	hsl(238, 81%, 66%)
HSV	hsv(238, 59%, 94%)
CMYK	cmyk(58.6%, 56.5%, 0%, 6.3%)
CIE-LAB	lab(50.43, 36.85, -68.83)
CIE-LCH	lch(50.43, 78.07, 298.16°)
OKLab	oklab(58.74% 0.0234 -0.1976)
OKLCH	oklch(58.74% 0.199 276.8)
XYZ	xyz(25.6709, 18.7834, 83.9174)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368EF #EFEA63

analogous

#63AEEF #6368EF #A463EF

triadic

#6368EF #EF6368 #68EF63

tetradic

#6368EF #EF63AE #EFEA63 #63EFA4

square

#6368EF #EF63AE #EFEA63 #63EFA4

split-complementary

#6368EF #EFA463 #AEEF63

monochromatic

#141AC4 #2B32E9 #6368EF #9B9EF5 #D2D3FA

Accessibility & contrast

On white

4.41

#6368EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#6368EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6368EF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368EF	#FFFFFF	#000000	##000000
##6368EF	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EF4

Deuteranopia (green-blind)

#0072EC

Tritanopia (blue-blind)

#0088A1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6368ef;
/* rgb */ color: rgb(99, 104, 239);
/* oklch */ color: oklch(58.7% 0.199 276.8);

Tailwind

colors: {
  custom: {
    50: '#9b93f5',
    500: '#6368ef',
    950: '#000000',
  },
}

SCSS

$custom: #6368ef;
$custom-light: #9b93f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6368ef",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 239
  },
  "hsl": {
    "h": 237.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.58741,
    "c": 0.19899,
    "h": 276.8
  },
  "luminance": 0.18785
}

Semantic roles & 50–950 ramp

primary

#6368EF

secondary

#EEECC0

accent

#D608DE

background

#FAF9FF

surface

#F4F1FE

border

#CECBD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6368EF

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

Preview Lab → · Contrast checker → · Palette generator →