#5B63BF#5B63BF

#5B63BF is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.142 H 276.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#5B63BF
RGB	rgb(91, 99, 191)
HSL	hsl(235, 44%, 55%)
HSV	hsv(235, 52%, 75%)
CMYK	cmyk(52.4%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(45.51, 22.95, -49.48)
CIE-LCH	lch(45.51, 54.54, 294.88°)
OKLab	oklab(53.91% 0.0168 -0.1409)
OKLCH	oklch(53.91% 0.142 276.8)
XYZ	xyz(18.1772, 14.9083, 51.1999)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63BF #BFB75B

analogous

#5B95BF #5B63BF #855BBF

triadic

#5B63BF #BF5B63 #63BF5B

tetradic

#5B63BF #BF5B95 #BFB75B #5BBF85

square

#5B63BF #BF5B95 #BFB75B #5BBF85

split-complementary

#5B63BF #BF855B #95BF5B

monochromatic

#2D3273 #3E469F #5B63BF #878DD0 #B3B7E1

Accessibility & contrast

On white

5.27

#5B63BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5B63BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63BF

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63BF	#FFFFFF	#000000	##FFFFFF
##5B63BF	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3970C2

Deuteranopia (green-blind)

#2E68BD

Tritanopia (blue-blind)

#2F7788

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b63bf;
/* rgb */ color: rgb(91, 99, 191);
/* oklch */ color: oklch(53.9% 0.142 276.8);

Tailwind

colors: {
  custom: {
    50: '#908fd3',
    500: '#5b63bf',
    950: '#000000',
  },
}

SCSS

$custom: #5b63bf;
$custom-light: #908fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63bf",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 235.2,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53909,
    "c": 0.14191,
    "h": 276.8
  },
  "luminance": 0.14909
}

Semantic roles & 50–950 ramp

primary

#5B63BF

secondary

#D0CCA6

accent

#C954D4

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5B63BF

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

Preview Lab → · Contrast checker → · Palette generator →