#5B6BE7#5B6BE7

#5B6BE7 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.2% C 0.187 H 273.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BE7
RGB	rgb(91, 107, 231)
HSL	hsl(233, 74%, 63%)
HSV	hsv(233, 61%, 91%)
CMYK	cmyk(60.6%, 53.7%, 0%, 9.4%)
CIE-LAB	lab(50.11, 31.05, -64.90)
CIE-LCH	lch(50.11, 71.94, 295.57°)
OKLab	oklab(58.19% 0.0117 -0.1862)
OKLCH	oklch(58.19% 0.187 273.6)
XYZ	xyz(23.9911, 18.5071, 77.8938)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BE7 #E7D75B

analogous

#5BB1E7 #5B6BE7 #915BE7

triadic

#5B6BE7 #E75B6B #6BE75B

tetradic

#5B6BE7 #E75BB1 #E7D75B #5BE791

square

#5B6BE7 #E75BB1 #E7D75B #5BE791

split-complementary

#5B6BE7 #E7915B #B1E75B

monochromatic

#192AAE #263BDF #5B6BE7 #909BEF #C6CBF7

Accessibility & contrast

On white

4.47

#5B6BE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5B6BE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6BE7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BE7	#FFFFFF	#000000	##000000
##5B6BE7	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#147EEB

Deuteranopia (green-blind)

#0071E4

Tritanopia (blue-blind)

#00889F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6be7;
/* rgb */ color: rgb(91, 107, 231);
/* oklch */ color: oklch(58.2% 0.187 273.6);

Tailwind

colors: {
  custom: {
    50: '#9695ef',
    500: '#5b6be7',
    950: '#000000',
  },
}

SCSS

$custom: #5b6be7;
$custom-light: #9695ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6be7",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 231
  },
  "hsl": {
    "h": 233.143,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.58191,
    "c": 0.18657,
    "h": 273.6
  },
  "luminance": 0.18509
}

Semantic roles & 50–950 ramp

primary

#5B6BE7

secondary

#E8E2B6

accent

#C00FD7

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B6BE7

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

Preview Lab → · Contrast checker → · Palette generator →