#6364B4#6364B4

#6364B4 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.123 H 280.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#6364B4
RGB	rgb(99, 100, 180)
HSL	hsl(239, 35%, 55%)
HSV	hsv(239, 45%, 71%)
CMYK	cmyk(45%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(45.72, 20.78, -42.71)
CIE-LCH	lch(45.72, 47.50, 295.94°)
OKLab	oklab(54.01% 0.0233 -0.1209)
OKLCH	oklch(54.01% 0.123 280.9)
XYZ	xyz(17.9385, 15.0614, 45.1331)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364B4 #B4B363

analogous

#638DB4 #6364B4 #8A63B4

triadic

#6364B4 #B46364 #64B463

tetradic

#6364B4 #B4638D #B4B363 #63B48A

square

#6364B4 #B4638D #B4B363 #63B48A

split-complementary

#6364B4 #B48A63 #8DB463

monochromatic

#33346A #474893 #6364B4 #8C8DC8 #B6B6DC

Accessibility & contrast

On white

5.23

#6364B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#6364B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364B4

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364B4	#FFFFFF	#000000	##FFFFFF
##6364B4	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456FB7

Deuteranopia (green-blind)

#4069B2

Tritanopia (blue-blind)

#487483

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6364b4;
/* rgb */ color: rgb(99, 100, 180);
/* oklch */ color: oklch(54.0% 0.123 280.9);

Tailwind

colors: {
  custom: {
    50: '#9490cb',
    500: '#6364b4',
    950: '#000000',
  },
}

SCSS

$custom: #6364b4;
$custom-light: #9490cb;
$custom-dark: #000000;

JSON

{
  "hex": "#6364b4",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 239.259,
    "s": 35.065,
    "l": 54.706
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.12311,
    "h": 280.9
  },
  "luminance": 0.15062
}

Semantic roles & 50–950 ramp

primary

#6364B4

secondary

#CACAA8

accent

#CA5DCB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #6364B4

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

Preview Lab → · Contrast checker → · Palette generator →