#5B64D9#5B64D9

#5B64D9 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.9% C 0.177 H 275.8°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5B64D9
RGB	rgb(91, 100, 217)
HSL	hsl(236, 62%, 60%)
HSV	hsv(236, 58%, 85%)
CMYK	cmyk(58.1%, 53.9%, 0%, 14.9%)
CIE-LAB	lab(47.43, 30.75, -61.31)
CIE-LCH	lch(47.43, 68.59, 296.64°)
OKLab	oklab(55.89% 0.0178 -0.1757)
OKLCH	oklch(55.89% 0.177 275.8)
XYZ	xyz(21.3919, 16.3467, 67.6601)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64D9 #D9D05B

analogous

#5BA3D9 #5B64D9 #915BD9

triadic

#5B64D9 #D95B64 #64D95B

tetradic

#5B64D9 #D95BA3 #D9D05B #5BD991

square

#5B64D9 #D95BA3 #D9D05B #5BD991

split-complementary

#5B64D9 #D9915B #A3D95B

monochromatic

#232B97 #2E39C8 #5B64D9 #8D93E5 #BEC2F0

Accessibility & contrast

On white

4.92

#5B64D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5B64D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64D9

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64D9	#FFFFFF	#000000	##FFFFFF
##5B64D9	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1676DD

Deuteranopia (green-blind)

#006BD7

Tritanopia (blue-blind)

#007F95

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b64d9;
/* rgb */ color: rgb(91, 100, 217);
/* oklch */ color: oklch(55.9% 0.177 275.8);

Tailwind

colors: {
  custom: {
    50: '#9490e5',
    500: '#5b64d9',
    950: '#000000',
  },
}

SCSS

$custom: #5b64d9;
$custom-light: #9490e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64d9",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 217
  },
  "hsl": {
    "h": 235.714,
    "s": 62.376,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55885,
    "c": 0.17663,
    "h": 275.8
  },
  "luminance": 0.16348
}

Semantic roles & 50–950 ramp

primary

#5B64D9

secondary

#E0DDB0

accent

#BE1BCA

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B64D9

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

Preview Lab → · Contrast checker → · Palette generator →