#5B63CE#5B63CE

#5B63CE is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.9% C 0.163 H 276.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B63CE
RGB	rgb(91, 99, 206)
HSL	hsl(236, 54%, 58%)
HSV	hsv(236, 56%, 81%)
CMYK	cmyk(55.8%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(46.45, 27.79, -56.61)
CIE-LCH	lch(46.45, 63.06, 296.15°)
OKLab	oklab(54.92% 0.0182 -0.1619)
OKLCH	oklch(54.92% 0.163 276.4)
XYZ	xyz(19.9132, 15.6027, 60.3428)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63CE #CEC65B

analogous

#5B9CCE #5B63CE #8C5BCE

triadic

#5B63CE #CE5B63 #63CE5B

tetradic

#5B63CE #CE5B9C #CEC65B #5BCE8C

square

#5B63CE #CE5B9C #CEC65B #5BCE8C

split-complementary

#5B63CE #CE8C5B #9CCE5B

monochromatic

#282F86 #363FB6 #5B63CE #8A90DC #B9BDEA

Accessibility & contrast

On white

5.10

#5B63CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#5B63CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63CE

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63CE	#FFFFFF	#000000	##FFFFFF
##5B63CE	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2873D2

Deuteranopia (green-blind)

#1069CC

Tritanopia (blue-blind)

#1C7B8F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b63ce;
/* rgb */ color: rgb(91, 99, 206);
/* oklch */ color: oklch(54.9% 0.163 276.4);

Tailwind

colors: {
  custom: {
    50: '#928fde',
    500: '#5b63ce',
    950: '#000000',
  },
}

SCSS

$custom: #5b63ce;
$custom-light: #928fde;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63ce",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 235.826,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.5492,
    "c": 0.16292,
    "h": 276.4
  },
  "luminance": 0.15604
}

Semantic roles & 50–950 ramp

primary

#5B63CE

secondary

#D9D6AB

accent

#D34ADD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B63CE

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

Preview Lab → · Contrast checker → · Palette generator →