#5B64F3#5B64F3

#5B64F3 is a mid, highly saturated blue. Relative luminance 0.178; OKLCH L 57.8% C 0.211 H 274.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5B64F3
RGB	rgb(91, 100, 243)
HSL	hsl(236, 86%, 65%)
HSV	hsv(236, 63%, 95%)
CMYK	cmyk(62.6%, 58.8%, 0%, 4.7%)
CIE-LAB	lab(49.26, 39.25, -72.99)
CIE-LCH	lch(49.26, 82.87, 298.27°)
OKLab	oklab(57.83% 0.0181 -0.2101)
OKLCH	oklch(57.83% 0.211 274.9)
XYZ	xyz(25.0439, 17.8075, 86.8941)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64F3 #F3EA5B

analogous

#5BB0F3 #5B64F3 #9E5BF3

triadic

#5B64F3 #F35B64 #64F35B

tetradic

#5B64F3 #F35BB0 #F3EA5B #5BF39E

square

#5B64F3 #F35BB0 #F3EA5B #5BF39E

split-complementary

#5B64F3 #F39E5B #B0F35B

monochromatic

#0E19C5 #222EEF #5B64F3 #949AF7 #CDD0FB

Accessibility & contrast

On white

4.60

#5B64F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5B64F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64F3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64F3	#FFFFFF	#000000	##FFFFFF
##5B64F3	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF8

Deuteranopia (green-blind)

#006FF0

Tritanopia (blue-blind)

#0087A2

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b64f3;
/* rgb */ color: rgb(91, 100, 243);
/* oklch */ color: oklch(57.8% 0.211 274.9);

Tailwind

colors: {
  custom: {
    50: '#9890f8',
    500: '#5b64f3',
    950: '#000000',
  },
}

SCSS

$custom: #5b64f3;
$custom-light: #9890f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64f3",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 243
  },
  "hsl": {
    "h": 236.447,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.5783,
    "c": 0.21085,
    "h": 274.9
  },
  "luminance": 0.1781
}

Semantic roles & 50–950 ramp

primary

#5B64F3

secondary

#EEEBBB

accent

#D603E3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B64F3

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

Preview Lab → · Contrast checker → · Palette generator →