#5B6FEF#5B6FEF

#5B6FEF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.5% C 0.192 H 272.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FEF
RGB	rgb(91, 111, 239)
HSL	hsl(232, 82%, 65%)
HSV	hsv(232, 62%, 94%)
CMYK	cmyk(61.9%, 53.6%, 0%, 6.3%)
CIE-LAB	lab(51.64, 31.25, -66.90)
CIE-LCH	lch(51.64, 73.85, 295.04°)
OKLab	oklab(59.51% 0.0084 -0.1921)
OKLCH	oklch(59.51% 0.192 272.5)
XYZ	xyz(25.5736, 19.8229, 84.1231)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FEF #EFDB5B

analogous

#5BB9EF #5B6FEF #915BEF

triadic

#5B6FEF #EF5B6F #6FEF5B

tetradic

#5B6FEF #EF5BB9 #EFDB5B #5BEF91

square

#5B6FEF #EF5BB9 #EFDB5B #5BEF91

split-complementary

#5B6FEF #EF915B #B9EF5B

monochromatic

#122ABD #233EEA #5B6FEF #93A0F4 #CBD1FA

Accessibility & contrast

On white

4.23

#5B6FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5B6FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FEF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FEF	#FFFFFF	#000000	##000000
##5B6FEF	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1382F3

Deuteranopia (green-blind)

#0075EC

Tritanopia (blue-blind)

#008DA4

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b6fef;
/* rgb */ color: rgb(91, 111, 239);
/* oklch */ color: oklch(59.5% 0.192 272.5);

Tailwind

colors: {
  custom: {
    50: '#9798f5',
    500: '#5b6fef',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fef;
$custom-light: #9798f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fef",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 239
  },
  "hsl": {
    "h": 231.892,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.5951,
    "c": 0.19224,
    "h": 272.5
  },
  "luminance": 0.19825
}

Semantic roles & 50–950 ramp

primary

#5B6FEF

secondary

#ECE5BA

accent

#C107DF

background

#FAF9FF

surface

#F3F2FE

border

#CDCCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #5B6FEF

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

Preview Lab → · Contrast checker → · Palette generator →