#6364DB#6364DB

#6364DB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.6% C 0.178 H 278.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6364DB
RGB	rgb(99, 100, 219)
HSL	hsl(240, 63%, 62%)
HSV	hsv(240, 55%, 86%)
CMYK	cmyk(54.8%, 54.3%, 0%, 14.1%)
CIE-LAB	lab(48.11, 32.90, -61.32)
CIE-LCH	lch(48.11, 69.59, 298.22°)
OKLab	oklab(56.58% 0.027 -0.1755)
OKLCH	oklch(56.58% 0.178 278.7)
XYZ	xyz(22.4849, 16.8800, 69.0774)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364DB #DBDA63

analogous

#63A0DB #6364DB #9E63DB

triadic

#6364DB #DB6364 #64DB63

tetradic

#6364DB #DB63A0 #DBDA63 #63DB9E

square

#6364DB #DB63A0 #DBDA63 #63DB9E

split-complementary

#6364DB #DB9E63 #A0DB63

monochromatic

#25269F #3133D0 #6364DB #9595E6 #C6C7F2

Accessibility & contrast

On white

4.80

#6364DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#6364DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364DB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364DB	#FFFFFF	#000000	##FFFFFF
##6364DB	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1677DF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#277F96

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6364db;
/* rgb */ color: rgb(99, 100, 219);
/* oklch */ color: oklch(56.6% 0.178 278.7);

Tailwind

colors: {
  custom: {
    50: '#9990e7',
    500: '#6364db',
    950: '#000000',
  },
}

SCSS

$custom: #6364db;
$custom-light: #9990e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6364db",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 219
  },
  "hsl": {
    "h": 239.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.56578,
    "c": 0.1776,
    "h": 278.7
  },
  "luminance": 0.16881
}

Semantic roles & 50–950 ramp

primary

#6364DB

secondary

#E3E2B7

accent

#C91BCA

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #6364DB

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

Preview Lab → · Contrast checker → · Palette generator →