#5B59DB#5B59DB

#5B59DB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.1% C 0.193 H 278.4°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B59DB
RGB	rgb(91, 89, 219)
HSL	hsl(241, 64%, 60%)
HSV	hsv(241, 59%, 86%)
CMYK	cmyk(58.4%, 59.4%, 0%, 14.1%)
CIE-LAB	lab(44.92, 38.10, -66.52)
CIE-LCH	lch(44.92, 76.66, 299.81°)
OKLab	oklab(54.07% 0.0284 -0.1911)
OKLCH	oklch(54.07% 0.193 278.4)
XYZ	xyz(20.6689, 14.4819, 68.7102)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59DB #D9DB59

analogous

#5998DB #5B59DB #9C59DB

triadic

#5B59DB #DB5B59 #59DB5B

tetradic

#5B59DB #DB5998 #D9DB59 #59DB9C

square

#5B59DB #DB5998 #D9DB59 #59DB9C

split-complementary

#5B59DB #DB9C59 #98DB59

monochromatic

#232199 #2E2CCB #5B59DB #8D8BE6 #BEBEF1

Accessibility & contrast

On white

5.39

#5B59DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5B59DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59DB

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59DB	#FFFFFF	#000000	##FFFFFF
##5B59DB	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0065D8

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b59db;
/* rgb */ color: rgb(91, 89, 219);
/* oklch */ color: oklch(54.1% 0.193 278.4);

Tailwind

colors: {
  custom: {
    50: '#9588e7',
    500: '#5b59db',
    950: '#000000',
  },
}

SCSS

$custom: #5b59db;
$custom-light: #9588e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59db",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 219
  },
  "hsl": {
    "h": 240.923,
    "s": 64.356,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54065,
    "c": 0.19322,
    "h": 278.4
  },
  "luminance": 0.14483
}

Semantic roles & 50–950 ramp

primary

#5B59DB

secondary

#E0E1AF

accent

#CC19C9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5B59DB

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

Preview Lab → · Contrast checker → · Palette generator →