#5B5BEA#5B5BEA

#5B5BEA is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.6% C 0.210 H 277.1°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BEA
RGB	rgb(91, 91, 234)
HSL	hsl(240, 77%, 64%)
HSV	hsv(240, 61%, 92%)
CMYK	cmyk(61.1%, 61.1%, 0%, 8.2%)
CIE-LAB	lab(46.51, 41.72, -72.43)
CIE-LCH	lch(46.51, 83.58, 299.94°)
OKLab	oklab(55.59% 0.026 -0.2085)
OKLCH	oklch(55.59% 0.21 277.1)
XYZ	xyz(22.9019, 15.6450, 79.6389)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BEA #EAEA5B

analogous

#5BA2EA #5B5BEA #A25BEA

triadic

#5B5BEA #EA5B5B #5BEA5B

tetradic

#5B5BEA #EA5BA2 #EAEA5B #5BEAA2

square

#5B5BEA #EA5BA2 #EAEA5B #5BEAA2

split-complementary

#5B5BEA #EAA25B #A2EA5B

monochromatic

#1717B4 #2525E3 #5B5BEA #9191F1 #C8C8F8

Accessibility & contrast

On white

5.09

#5B5BEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#5B5BEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BEA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BEA	#FFFFFF	#000000	##FFFFFF
##5B5BEA	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074EF

Deuteranopia (green-blind)

#0068E7

Tritanopia (blue-blind)

#007F9A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b5bea;
/* rgb */ color: rgb(91, 91, 234);
/* oklch */ color: oklch(55.6% 0.210 277.1);

Tailwind

colors: {
  custom: {
    50: '#978af2',
    500: '#5b5bea',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bea;
$custom-light: #978af2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bea",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 234
  },
  "hsl": {
    "h": 240,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55587,
    "c": 0.2101,
    "h": 277.1
  },
  "luminance": 0.15647
}

Semantic roles & 50–950 ramp

primary

#5B5BEA

secondary

#EAEAB7

accent

#DA0CDA

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B5BEA

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

Preview Lab → · Contrast checker → · Palette generator →