#5B63F0#5B63F0

#5B63F0 is a mid, highly saturated blue. Relative luminance 0.174; OKLCH L 57.4% C 0.208 H 275.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5B63F0
RGB	rgb(91, 99, 240)
HSL	hsl(237, 83%, 65%)
HSV	hsv(237, 62%, 94%)
CMYK	cmyk(62.1%, 58.8%, 0%, 5.9%)
CIE-LAB	lab(48.81, 38.87, -72.06)
CIE-LCH	lch(48.81, 81.87, 298.34°)
OKLab	oklab(57.42% 0.019 -0.2073)
OKLCH	oklch(57.42% 0.208 275.2)
XYZ	xyz(24.4992, 17.4371, 84.4958)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63F0 #F0E85B

analogous

#5BADF0 #5B63F0 #9E5BF0

triadic

#5B63F0 #F05B63 #63F05B

tetradic

#5B63F0 #F05BAD #F0E85B #5BF09E

square

#5B63F0 #F05BAD #F0E85B #5BF09E

split-complementary

#5B63F0 #F09E5B #ADF05B

monochromatic

#111BBF #232EEB #5B63F0 #9398F5 #CBCEFA

Accessibility & contrast

On white

4.68

#5B63F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#5B63F0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63F0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63F0	#FFFFFF	#000000	##FFFFFF
##5B63F0	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF5

Deuteranopia (green-blind)

#006EED

Tritanopia (blue-blind)

#0086A0

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5b63f0;
/* rgb */ color: rgb(91, 99, 240);
/* oklch */ color: oklch(57.4% 0.208 275.2);

Tailwind

colors: {
  custom: {
    50: '#988ff6',
    500: '#5b63f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b63f0;
$custom-light: #988ff6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63f0",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 240
  },
  "hsl": {
    "h": 236.779,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.57423,
    "c": 0.2082,
    "h": 275.2
  },
  "luminance": 0.17439
}

Semantic roles & 50–950 ramp

primary

#5B63F0

secondary

#EDEABA

accent

#D406E0

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B63F0

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

Preview Lab → · Contrast checker → · Palette generator →