#6364BC#6364BC

#6364BC is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.135 H 280.5°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#6364BC
RGB	rgb(99, 100, 188)
HSL	hsl(239, 40%, 56%)
HSV	hsv(239, 47%, 74%)
CMYK	cmyk(47.3%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(46.17, 23.22, -46.64)
CIE-LCH	lch(46.17, 52.10, 296.46°)
OKLab	oklab(54.5% 0.0245 -0.1324)
OKLCH	oklch(54.5% 0.135 280.5)
XYZ	xyz(18.7771, 15.3969, 49.5497)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364BC #BCBB63

analogous

#6391BC #6364BC #8F63BC

triadic

#6364BC #BC6364 #64BC63

tetradic

#6364BC #BC6391 #BCBB63 #63BC8F

square

#6364BC #BC6391 #BCBB63 #63BC8F

split-complementary

#6364BC #BC8F63 #91BC63

monochromatic

#313273 #44459E #6364BC #8E8FCE #B9B9E1

Accessibility & contrast

On white

5.15

#6364BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#6364BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364BC

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364BC	#FFFFFF	#000000	##FFFFFF
##6364BC	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F71BF

Deuteranopia (green-blind)

#396ABA

Tritanopia (blue-blind)

#447787

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6364bc;
/* rgb */ color: rgb(99, 100, 188);
/* oklch */ color: oklch(54.5% 0.135 280.5);

Tailwind

colors: {
  custom: {
    50: '#9590d1',
    500: '#6364bc',
    950: '#000000',
  },
}

SCSS

$custom: #6364bc;
$custom-light: #9590d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6364bc",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 239.326,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54503,
    "c": 0.13463,
    "h": 280.5
  },
  "luminance": 0.15398
}

Semantic roles & 50–950 ramp

primary

#6364BC

secondary

#D0CFAB

accent

#CE58D0

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6364BC

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

Preview Lab → · Contrast checker → · Palette generator →