#5B42DB#5B42DB

#5B42DB is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.5% C 0.220 H 282.6°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B42DB
RGB	rgb(91, 66, 219)
HSL	hsl(250, 68%, 56%)
HSV	hsv(250, 70%, 86%)
CMYK	cmyk(58.4%, 69.9%, 0%, 14.1%)
CIE-LAB	lab(39.97, 51.33, -74.59)
CIE-LCH	lch(39.97, 90.55, 304.53°)
OKLab	oklab(50.48% 0.0479 -0.2149)
OKLCH	oklch(50.48% 0.22 282.6)
XYZ	xyz(19.0448, 11.2338, 68.1689)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B42DB #C2DB42

analogous

#4275DB #5B42DB #A742DB

triadic

#5B42DB #DB5B42 #42DB5B

tetradic

#5B42DB #DB4275 #C2DB42 #42DBA7

square

#5B42DB #DB4275 #C2DB42 #42DBA7

split-complementary

#5B42DB #DBA742 #75DB42

monochromatic

#2C1A89 #3D24BC #5B42DB #8875E5 #B4A9EF

Accessibility & contrast

On white

6.47

#5B42DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#5B42DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B42DB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B42DB	#FFFFFF	#000000	##FFFFFF
##5B42DB	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E0

Deuteranopia (green-blind)

#0059D8

Tritanopia (blue-blind)

#026B8A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #5b42db;
/* rgb */ color: rgb(91, 66, 219);
/* oklch */ color: oklch(50.5% 0.220 282.6);

Tailwind

colors: {
  custom: {
    50: '#9779e7',
    500: '#5b42db',
    950: '#000000',
  },
}

SCSS

$custom: #5b42db;
$custom-light: #9779e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b42db",
  "rgb": {
    "r": 91,
    "g": 66,
    "b": 219
  },
  "hsl": {
    "h": 249.804,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.50475,
    "c": 0.22015,
    "h": 282.6
  },
  "luminance": 0.11235
}

Semantic roles & 50–950 ramp

primary

#5B42DB

secondary

#D2DC9D

accent

#EB3DCE

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5B42DB

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

Preview Lab → · Contrast checker → · Palette generator →