#5B6EDB#5B6EDB

#5B6EDB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.9% C 0.167 H 272.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B6EDB
RGB	rgb(91, 110, 219)
HSL	hsl(231, 64%, 61%)
HSV	hsv(231, 58%, 86%)
CMYK	cmyk(58.4%, 49.8%, 0%, 14.1%)
CIE-LAB	lab(50.08, 25.25, -58.16)
CIE-LCH	lch(50.08, 63.41, 293.46°)
OKLab	oklab(57.93% 0.0079 -0.1664)
OKLCH	oklch(57.93% 0.167 272.7)
XYZ	xyz(22.6723, 18.4887, 69.3780)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6EDB #DBC85B

analogous

#5BAEDB #5B6EDB #885BDB

triadic

#5B6EDB #DB5B6E #6EDB5B

tetradic

#5B6EDB #DB5BAE #DBC85B #5BDB88

square

#5B6EDB #DB5BAE #DBC85B #5BDB88

split-complementary

#5B6EDB #DB885B #AEDB5B

monochromatic

#22349A #2D44CC #5B6EDB #8D9AE6 #BFC7F1

Accessibility & contrast

On white

4.47

#5B6EDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5B6EDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6EDB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6EDB	#FFFFFF	#000000	##000000
##5B6EDB	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)

#347DDF

Deuteranopia (green-blind)

#1B72D9

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6edb;
/* rgb */ color: rgb(91, 110, 219);
/* oklch */ color: oklch(57.9% 0.167 272.7);

Tailwind

colors: {
  custom: {
    50: '#9497e7',
    500: '#5b6edb',
    950: '#000000',
  },
}

SCSS

$custom: #5b6edb;
$custom-light: #9497e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6edb",
  "rgb": {
    "r": 91,
    "g": 110,
    "b": 219
  },
  "hsl": {
    "h": 231.094,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57926,
    "c": 0.16655,
    "h": 272.7
  },
  "luminance": 0.1849
}

Semantic roles & 50–950 ramp

primary

#5B6EDB

secondary

#E1DAB1

accent

#B11ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6EDB

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

Preview Lab → · Contrast checker → · Palette generator →