#6368E1#6368E1

#6368E1 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.7% C 0.180 H 277.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6368E1
RGB	rgb(99, 104, 225)
HSL	hsl(238, 68%, 64%)
HSV	hsv(238, 56%, 88%)
CMYK	cmyk(56%, 53.8%, 0%, 11.8%)
CIE-LAB	lab(49.48, 32.38, -62.50)
CIE-LCH	lch(49.48, 70.39, 297.39°)
OKLab	oklab(57.73% 0.0231 -0.179)
OKLCH	oklch(57.73% 0.18 277.4)
XYZ	xyz(23.6822, 17.9879, 73.4436)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368E1 #E1DC63

analogous

#63A7E1 #6368E1 #9D63E1

triadic

#6368E1 #E16368 #68E163

tetradic

#6368E1 #E163A7 #E1DC63 #63E19D

square

#6368E1 #E163A7 #E1DC63 #63E19D

split-complementary

#6368E1 #E19D63 #A7E163

monochromatic

#2126A9 #3036D7 #6368E1 #969AEB #CACBF5

Accessibility & contrast

On white

4.57

#6368E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#6368E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6368E1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368E1	#FFFFFF	#000000	##000000
##6368E1	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A7BE5

Deuteranopia (green-blind)

#0071DE

Tritanopia (blue-blind)

#1C849A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6368e1;
/* rgb */ color: rgb(99, 104, 225);
/* oklch */ color: oklch(57.7% 0.180 277.4);

Tailwind

colors: {
  custom: {
    50: '#9993eb',
    500: '#6368e1',
    950: '#000000',
  },
}

SCSS

$custom: #6368e1;
$custom-light: #9993eb;
$custom-dark: #000000;

JSON

{
  "hex": "#6368e1",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 225
  },
  "hsl": {
    "h": 237.619,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.5773,
    "c": 0.18046,
    "h": 277.4
  },
  "luminance": 0.1799
}

Semantic roles & 50–950 ramp

primary

#6368E1

secondary

#E6E4BA

accent

#C816D0

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #6368E1

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

Preview Lab → · Contrast checker → · Palette generator →