#5B4FDB#5B4FDB

#5B4FDB is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.4% C 0.205 H 280.5°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B4FDB
RGB	rgb(91, 79, 219)
HSL	hsl(245, 66%, 58%)
HSV	hsv(245, 64%, 86%)
CMYK	cmyk(58.4%, 63.9%, 0%, 14.1%)
CIE-LAB	lab(42.66, 44.03, -70.20)
CIE-LCH	lch(42.66, 82.87, 302.10°)
OKLab	oklab(52.41% 0.0373 -0.202)
OKLCH	oklch(52.41% 0.205 280.5)
XYZ	xyz(19.8925, 12.9292, 68.4514)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B4FDB #CFDB4F

analogous

#4F89DB #5B4FDB #A14FDB

triadic

#5B4FDB #DB5B4F #4FDB5B

tetradic

#5B4FDB #DB4F89 #CFDB4F #4FDBA1

square

#5B4FDB #DB4F89 #CFDB4F #4FDBA1

split-complementary

#5B4FDB #DBA14F #89DB4F

monochromatic

#281E92 #3628C5 #5B4FDB #8A82E5 #BAB5F0

Accessibility & contrast

On white

5.86

#5B4FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5B4FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B4FDB

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B4FDB	#FFFFFF	#000000	##FFFFFF
##5B4FDB	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00728E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5b4fdb;
/* rgb */ color: rgb(91, 79, 219);
/* oklch */ color: oklch(52.4% 0.205 280.5);

Tailwind

colors: {
  custom: {
    50: '#9681e7',
    500: '#5b4fdb',
    950: '#000000',
  },
}

SCSS

$custom: #5b4fdb;
$custom-light: #9681e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b4fdb",
  "rgb": {
    "r": 91,
    "g": 79,
    "b": 219
  },
  "hsl": {
    "h": 245.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5241,
    "c": 0.20541,
    "h": 280.5
  },
  "luminance": 0.12931
}

Semantic roles & 50–950 ramp

primary

#5B4FDB

secondary

#DADFA7

accent

#E93FDA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #5B4FDB

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

Preview Lab → · Contrast checker → · Palette generator →