#5565BB#5565BB

#5565BB is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.135 H 273.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5565BB
RGB	rgb(85, 101, 187)
HSL	hsl(231, 43%, 53%)
HSV	hsv(231, 55%, 73%)
CMYK	cmyk(54.5%, 46%, 0%, 26.7%)
CIE-LAB	lab(45.39, 19.09, -47.36)
CIE-LCH	lch(45.39, 51.07, 291.96°)
OKLab	oklab(53.64% 0.0073 -0.1348)
OKLCH	oklch(53.64% 0.135 273.1)
XYZ	xyz(17.3667, 14.8253, 48.9505)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5565BB #BBAB55

analogous

#5598BB #5565BB #7855BB

triadic

#5565BB #BB5565 #65BB55

tetradic

#5565BB #BB5598 #BBAB55 #55BB78

square

#5565BB #BB5598 #BBAB55 #55BB78

split-complementary

#5565BB #BB7855 #98BB55

monochromatic

#2B356B #3C4A97 #5565BB #818DCC #ACB4DE

Accessibility & contrast

On white

5.30

#5565BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5565BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5565BB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5565BB	#FFFFFF	#000000	##FFFFFF
##5565BB	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#3267B9

Tritanopia (blue-blind)

#217887

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5565bb;
/* rgb */ color: rgb(85, 101, 187);
/* oklch */ color: oklch(53.6% 0.135 273.1);

Tailwind

colors: {
  custom: {
    50: '#8c90d0',
    500: '#5565bb',
    950: '#000000',
  },
}

SCSS

$custom: #5565bb;
$custom-light: #8c90d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5565bb",
  "rgb": {
    "r": 85,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 230.588,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5364,
    "c": 0.13504,
    "h": 273.1
  },
  "luminance": 0.14827
}

Semantic roles & 50–950 ramp

primary

#5565BB

secondary

#CCC5A0

accent

#BF55D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5565BB

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

Preview Lab → · Contrast checker → · Palette generator →