#5B6FE5#5B6FE5

#5B6FE5 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.8% C 0.179 H 272.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FE5
RGB	rgb(91, 111, 229)
HSL	hsl(231, 73%, 63%)
HSV	hsv(231, 60%, 90%)
CMYK	cmyk(60.3%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(50.98, 27.94, -62.37)
CIE-LCH	lch(50.98, 68.34, 294.13°)
OKLab	oklab(58.8% 0.0078 -0.1787)
OKLCH	oklch(58.8% 0.179 272.5)
XYZ	xyz(24.1370, 19.2482, 76.5569)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FE5 #E5D15B

analogous

#5BB4E5 #5B6FE5 #8C5BE5

triadic

#5B6FE5 #E55B6F #6FE55B

tetradic

#5B6FE5 #E55BB4 #E5D15B #5BE58C

square

#5B6FE5 #E55BB4 #E5D15B #5BE58C

split-complementary

#5B6FE5 #E58C5B #B4E55B

monochromatic

#1B30AB #2641DD #5B6FE5 #909DED #C5CCF6

Accessibility & contrast

On white

4.33

#5B6FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#5B6FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FE5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FE5	#FFFFFF	#000000	##000000
##5B6FE5	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A80E9

Deuteranopia (green-blind)

#0074E3

Tritanopia (blue-blind)

#008A9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b6fe5;
/* rgb */ color: rgb(91, 111, 229);
/* oklch */ color: oklch(58.8% 0.179 272.5);

Tailwind

colors: {
  custom: {
    50: '#9598ee',
    500: '#5b6fe5',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fe5;
$custom-light: #9598ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fe5",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 231.304,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.58804,
    "c": 0.17888,
    "h": 272.5
  },
  "luminance": 0.1925
}

Semantic roles & 50–950 ramp

primary

#5B6FE5

secondary

#E7E0B5

accent

#B811D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6FE5

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

Preview Lab → · Contrast checker → · Palette generator →