#6364E9#6364E9

#6364E9 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.6% C 0.196 H 278.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#6364E9
RGB	rgb(99, 100, 233)
HSL	hsl(240, 75%, 65%)
HSV	hsv(240, 58%, 91%)
CMYK	cmyk(57.5%, 57.1%, 0%, 8.6%)
CIE-LAB	lab(49.07, 37.34, -67.68)
CIE-LCH	lch(49.07, 77.30, 298.89°)
OKLab	oklab(57.6% 0.0272 -0.1942)
OKLCH	oklch(57.6% 0.196 278)
XYZ	xyz(24.4060, 17.6484, 79.1954)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364E9 #E9E863

analogous

#63A7E9 #6364E9 #A563E9

triadic

#6364E9 #E96364 #64E963

tetradic

#6364E9 #E963A7 #E9E863 #63E9A5

square

#6364E9 #E963A7 #E9E863 #63E9A5

split-complementary

#6364E9 #E9A563 #A7E963

monochromatic

#1A1BB8 #2D2FE1 #6364E9 #9999F1 #CECFF8

Accessibility & contrast

On white

4.64

#6364E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#6364E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6364E9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364E9	#FFFFFF	#000000	##FFFFFF
##6364E9	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AED

Deuteranopia (green-blind)

#006FE6

Tritanopia (blue-blind)

#04849D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6364e9;
/* rgb */ color: rgb(99, 100, 233);
/* oklch */ color: oklch(57.6% 0.196 278.0);

Tailwind

colors: {
  custom: {
    50: '#9b90f1',
    500: '#6364e9',
    950: '#000000',
  },
}

SCSS

$custom: #6364e9;
$custom-light: #9b90f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6364e9",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 233
  },
  "hsl": {
    "h": 239.552,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.57595,
    "c": 0.19614,
    "h": 278
  },
  "luminance": 0.1765
}

Semantic roles & 50–950 ramp

primary

#6364E9

secondary

#EBEABD

accent

#D60ED7

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6364E9

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

Preview Lab → · Contrast checker → · Palette generator →