#5B5EEF#5B5EEF

#5B5EEF is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.5% C 0.213 H 276.3°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B5EEF
RGB	rgb(91, 94, 239)
HSL	hsl(239, 82%, 65%)
HSV	hsv(239, 62%, 94%)
CMYK	cmyk(61.9%, 60.7%, 0%, 6.3%)
CIE-LAB	lab(47.57, 41.54, -73.50)
CIE-LCH	lch(47.57, 84.43, 299.47°)
OKLab	oklab(56.49% 0.0232 -0.2116)
OKLCH	oklch(56.49% 0.213 276.3)
XYZ	xyz(23.8920, 16.4596, 83.5626)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5EEF #EFEC5B

analogous

#5BA8EF #5B5EEF #A25BEF

triadic

#5B5EEF #EF5B5E #5EEF5B

tetradic

#5B5EEF #EF5BA8 #EFEC5B #5BEFA2

square

#5B5EEF #EF5BA8 #EFEC5B #5BEFA2

split-complementary

#5B5EEF #EFA25B #A8EF5B

monochromatic

#1216BD #2327EA #5B5EEF #9395F4 #CBCBFA

Accessibility & contrast

On white

4.89

#5B5EEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#5B5EEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5EEF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5EEF	#FFFFFF	#000000	##FFFFFF
##5B5EEF	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F4

Deuteranopia (green-blind)

#006AEC

Tritanopia (blue-blind)

#00829E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b5eef;
/* rgb */ color: rgb(91, 94, 239);
/* oklch */ color: oklch(56.5% 0.213 276.3);

Tailwind

colors: {
  custom: {
    50: '#988cf5',
    500: '#5b5eef',
    950: '#000000',
  },
}

SCSS

$custom: #5b5eef;
$custom-light: #988cf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5eef",
  "rgb": {
    "r": 91,
    "g": 94,
    "b": 239
  },
  "hsl": {
    "h": 238.784,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.5649,
    "c": 0.21289,
    "h": 276.3
  },
  "luminance": 0.16462
}

Semantic roles & 50–950 ramp

primary

#5B5EEF

secondary

#ECEBBA

accent

#DA07DF

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5EEF

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

Preview Lab → · Contrast checker → · Palette generator →