#6368E9#6368E9

#6368E9 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 58.3% C 0.191 H 277.0°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#6368E9
RGB	rgb(99, 104, 233)
HSL	hsl(238, 75%, 65%)
HSV	hsv(238, 58%, 91%)
CMYK	cmyk(57.5%, 55.4%, 0%, 8.6%)
CIE-LAB	lab(50.02, 34.93, -66.14)
CIE-LCH	lch(50.02, 74.80, 297.84°)
OKLab	oklab(58.3% 0.0234 -0.1897)
OKLCH	oklch(58.3% 0.191 277)
XYZ	xyz(24.7992, 18.4347, 79.3264)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368E9 #E9E463

analogous

#63ABE9 #6368E9 #A163E9

triadic

#6368E9 #E96368 #68E963

tetradic

#6368E9 #E963AB #E9E463 #63E9A1

square

#6368E9 #E963AB #E9E463 #63E9A1

split-complementary

#6368E9 #E9A163 #ABE963

monochromatic

#1A20B8 #2D34E1 #6368E9 #999CF1 #CED0F8

Accessibility & contrast

On white

4.48

#6368E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#6368E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6368E9

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368E9	#FFFFFF	#000000	##000000
##6368E9	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DED

Deuteranopia (green-blind)

#0071E6

Tritanopia (blue-blind)

#01869E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6368e9;
/* rgb */ color: rgb(99, 104, 233);
/* oklch */ color: oklch(58.3% 0.191 277.0);

Tailwind

colors: {
  custom: {
    50: '#9a93f1',
    500: '#6368e9',
    950: '#000000',
  },
}

SCSS

$custom: #6368e9;
$custom-light: #9a93f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6368e9",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 233
  },
  "hsl": {
    "h": 237.761,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.58303,
    "c": 0.19111,
    "h": 277
  },
  "luminance": 0.18436
}

Semantic roles & 50–950 ramp

primary

#6368E9

secondary

#EBE9BD

accent

#D00ED7

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6368E9

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

Preview Lab → · Contrast checker → · Palette generator →