#5B5CEF#5B5CEF

#5B5CEF is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.2% C 0.215 H 276.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CEF
RGB	rgb(91, 92, 239)
HSL	hsl(240, 82%, 65%)
HSV	hsv(240, 62%, 94%)
CMYK	cmyk(61.9%, 61.5%, 0%, 6.3%)
CIE-LAB	lab(47.12, 42.73, -74.25)
CIE-LCH	lch(47.12, 85.66, 299.92°)
OKLab	oklab(56.16% 0.0249 -0.2138)
OKLCH	oklch(56.16% 0.215 276.6)
XYZ	xyz(23.7165, 16.1085, 83.5041)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CEF #EFEE5B

analogous

#5BA6EF #5B5CEF #A45BEF

triadic

#5B5CEF #EF5B5C #5CEF5B

tetradic

#5B5CEF #EF5BA6 #EFEE5B #5BEFA4

square

#5B5CEF #EF5BA6 #EFEE5B #5BEFA4

split-complementary

#5B5CEF #EFA45B #A6EF5B

monochromatic

#1214BD #2325EA #5B5CEF #9393F4 #CBCBFA

Accessibility & contrast

On white

4.97

#5B5CEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#5B5CEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CEF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CEF	#FFFFFF	#000000	##FFFFFF
##5B5CEF	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F4

Deuteranopia (green-blind)

#0069EC

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b5cef;
/* rgb */ color: rgb(91, 92, 239);
/* oklch */ color: oklch(56.2% 0.215 276.6);

Tailwind

colors: {
  custom: {
    50: '#988af5',
    500: '#5b5cef',
    950: '#000000',
  },
}

SCSS

$custom: #5b5cef;
$custom-light: #988af5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5cef",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 239
  },
  "hsl": {
    "h": 239.595,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56155,
    "c": 0.21525,
    "h": 276.6
  },
  "luminance": 0.1611
}

Semantic roles & 50–950 ramp

primary

#5B5CEF

secondary

#ECECBA

accent

#DD07DF

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5CEF

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

Preview Lab → · Contrast checker → · Palette generator →