#5B63DB#5B63DB

#5B63DB is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.8% C 0.181 H 276.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5B63DB
RGB	rgb(91, 99, 219)
HSL	hsl(236, 64%, 61%)
HSV	hsv(236, 58%, 86%)
CMYK	cmyk(58.4%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(47.31, 32.02, -62.63)
CIE-LCH	lch(47.31, 70.34, 297.08°)
OKLab	oklab(55.84% 0.0188 -0.1796)
OKLCH	oklch(55.84% 0.181 276)
XYZ	xyz(21.5583, 16.2607, 69.0067)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63DB #DBD35B

analogous

#5BA3DB #5B63DB #935BDB

triadic

#5B63DB #DB5B63 #63DB5B

tetradic

#5B63DB #DB5BA3 #DBD35B #5BDB93

square

#5B63DB #DB5BA3 #DBD35B #5BDB93

split-complementary

#5B63DB #DB935B #A3DB5B

monochromatic

#22299A #2D37CC #5B63DB #8D93E6 #BFC2F1

Accessibility & contrast

On white

4.94

#5B63DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#5B63DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63DB

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63DB	#FFFFFF	#000000	##FFFFFF
##5B63DB	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0776DF

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#007F95

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b63db;
/* rgb */ color: rgb(91, 99, 219);
/* oklch */ color: oklch(55.8% 0.181 276.0);

Tailwind

colors: {
  custom: {
    50: '#948fe7',
    500: '#5b63db',
    950: '#000000',
  },
}

SCSS

$custom: #5b63db;
$custom-light: #948fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63db",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 236.25,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55844,
    "c": 0.18059,
    "h": 276
  },
  "luminance": 0.16262
}

Semantic roles & 50–950 ramp

primary

#5B63DB

secondary

#E1DEB1

accent

#C11ACC

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B63DB

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

Preview Lab → · Contrast checker → · Palette generator →