#5B6FE6#5B6FE6

#5B6FE6 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.9% C 0.180 H 272.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FE6
RGB	rgb(91, 111, 230)
HSL	hsl(231, 74%, 63%)
HSV	hsv(231, 60%, 90%)
CMYK	cmyk(60.4%, 51.7%, 0%, 9.8%)
CIE-LAB	lab(51.04, 28.27, -62.82)
CIE-LCH	lch(51.04, 68.89, 294.23°)
OKLab	oklab(58.87% 0.0078 -0.1801)
OKLCH	oklch(58.87% 0.18 272.5)
XYZ	xyz(24.2770, 19.3042, 77.2943)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FE6 #E6D25B

analogous

#5BB4E6 #5B6FE6 #8C5BE6

triadic

#5B6FE6 #E65B6F #6FE65B

tetradic

#5B6FE6 #E65BB4 #E6D25B #5BE68C

square

#5B6FE6 #E65BB4 #E6D25B #5BE68C

split-complementary

#5B6FE6 #E68C5B #B4E65B

monochromatic

#1A2FAC #2640DE #5B6FE6 #909EEE #C5CCF6

Accessibility & contrast

On white

4.32

#5B6FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5B6FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FE6

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FE6	#FFFFFF	#000000	##000000
##5B6FE6	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2880EA

Deuteranopia (green-blind)

#0074E4

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b6fe6;
/* rgb */ color: rgb(91, 111, 230);
/* oklch */ color: oklch(58.9% 0.180 272.5);

Tailwind

colors: {
  custom: {
    50: '#9598ef',
    500: '#5b6fe6',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fe6;
$custom-light: #9598ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fe6",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 230
  },
  "hsl": {
    "h": 231.367,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.58873,
    "c": 0.18023,
    "h": 272.5
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#5B6FE6

secondary

#E7E0B5

accent

#B910D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6FE6

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

Preview Lab → · Contrast checker → · Palette generator →