#5B6BE5#5B6BE5

#5B6BE5 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 58.0% C 0.184 H 273.6°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BE5
RGB	rgb(91, 107, 229)
HSL	hsl(233, 73%, 63%)
HSV	hsv(233, 60%, 90%)
CMYK	cmyk(60.3%, 53.3%, 0%, 10.2%)
CIE-LAB	lab(49.97, 30.39, -63.99)
CIE-LCH	lch(49.97, 70.84, 295.41°)
OKLab	oklab(58.05% 0.0116 -0.1835)
OKLCH	oklch(58.05% 0.184 273.6)
XYZ	xyz(23.7103, 18.3948, 76.4146)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BE5 #E5D55B

analogous

#5BB0E5 #5B6BE5 #905BE5

triadic

#5B6BE5 #E55B6B #6BE55B

tetradic

#5B6BE5 #E55BB0 #E5D55B #5BE590

square

#5B6BE5 #E55BB0 #E5D55B #5BE590

split-complementary

#5B6BE5 #E5905B #B0E55B

monochromatic

#1B2CAB #263BDD #5B6BE5 #909BED #C5CAF6

Accessibility & contrast

On white

4.49

#5B6BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#5B6BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6BE5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BE5	#FFFFFF	#000000	##000000
##5B6BE5	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A7DE9

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6be5;
/* rgb */ color: rgb(91, 107, 229);
/* oklch */ color: oklch(58.0% 0.184 273.6);

Tailwind

colors: {
  custom: {
    50: '#9695ee',
    500: '#5b6be5',
    950: '#000000',
  },
}

SCSS

$custom: #5b6be5;
$custom-light: #9695ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6be5",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 229
  },
  "hsl": {
    "h": 233.043,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.58048,
    "c": 0.18389,
    "h": 273.6
  },
  "luminance": 0.18397
}

Semantic roles & 50–950 ramp

primary

#5B6BE5

secondary

#E7E1B5

accent

#BE11D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6BE5

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

Preview Lab → · Contrast checker → · Palette generator →