#5B64F7#5B64F7

#5B64F7 is a mid, highly saturated blue. Relative luminance 0.181; OKLCH L 58.1% C 0.216 H 274.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B64F7
RGB	rgb(91, 100, 247)
HSL	hsl(237, 91%, 66%)
HSV	hsv(237, 63%, 97%)
CMYK	cmyk(63.2%, 59.5%, 0%, 3.1%)
CIE-LAB	lab(49.56, 40.55, -74.74)
CIE-LCH	lch(49.56, 85.03, 298.48°)
OKLab	oklab(58.14% 0.018 -0.2152)
OKLCH	oklch(58.14% 0.216 274.8)
XYZ	xyz(25.6545, 18.0517, 90.1100)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64F7 #F7EE5B

analogous

#5BB2F7 #5B64F7 #A05BF7

triadic

#5B64F7 #F75B64 #64F75B

tetradic

#5B64F7 #F75BB2 #F7EE5B #5BF7A0

square

#5B64F7 #F75BB2 #F7EE5B #5BF7A0

split-complementary

#5B64F7 #F7A05B #B2F75B

monochromatic

#0A15CE #212DF4 #5B64F7 #959BFA #D0D2FD

Accessibility & contrast

On white

4.55

#5B64F7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#5B64F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B64F7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64F7	#FFFFFF	#000000	##000000
##5B64F7	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DFC

Deuteranopia (green-blind)

#006FF4

Tritanopia (blue-blind)

#0088A4

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5b64f7;
/* rgb */ color: rgb(91, 100, 247);
/* oklch */ color: oklch(58.1% 0.216 274.8);

Tailwind

colors: {
  custom: {
    50: '#9990fb',
    500: '#5b64f7',
    950: '#000000',
  },
}

SCSS

$custom: #5b64f7;
$custom-light: #9990fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64f7",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 247
  },
  "hsl": {
    "h": 236.538,
    "s": 90.698,
    "l": 66.275
  },
  "oklch": {
    "l": 0.58142,
    "c": 0.21596,
    "h": 274.8
  },
  "luminance": 0.18054
}

Semantic roles & 50–950 ramp

primary

#5B64F7

secondary

#F0EDBD

accent

#D800E6

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #5B64F7

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

Preview Lab → · Contrast checker → · Palette generator →