#5665BB#5665BB

#5665BB is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.135 H 273.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5665BB
RGB	rgb(86, 101, 187)
HSL	hsl(231, 43%, 54%)
HSV	hsv(231, 54%, 73%)
CMYK	cmyk(54%, 46%, 0%, 26.7%)
CIE-LAB	lab(45.46, 19.31, -47.25)
CIE-LCH	lch(45.46, 51.05, 292.23°)
OKLab	oklab(53.71% 0.0084 -0.1345)
OKLCH	oklch(53.71% 0.135 273.6)
XYZ	xyz(17.4582, 14.8725, 48.9548)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5665BB #BBAC56

analogous

#5697BB #5665BB #7956BB

triadic

#5665BB #BB5665 #65BB56

tetradic

#5665BB #BB5697 #BBAC56 #56BB79

square

#5665BB #BB5697 #BBAC56 #56BB79

split-complementary

#5665BB #BB7956 #97BB56

monochromatic

#2B356B #3D4A97 #5665BB #828DCD #ADB5DE

Accessibility & contrast

On white

5.28

#5665BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5665BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5665BB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5665BB	#FFFFFF	#000000	##FFFFFF
##5665BB	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#3368B9

Tritanopia (blue-blind)

#247887

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5665bb;
/* rgb */ color: rgb(86, 101, 187);
/* oklch */ color: oklch(53.7% 0.135 273.6);

Tailwind

colors: {
  custom: {
    50: '#8d90d0',
    500: '#5665bb',
    950: '#000000',
  },
}

SCSS

$custom: #5665bb;
$custom-light: #8d90d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5665bb",
  "rgb": {
    "r": 86,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 231.089,
    "s": 42.616,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53707,
    "c": 0.13476,
    "h": 273.6
  },
  "luminance": 0.14874
}

Semantic roles & 50–950 ramp

primary

#5665BB

secondary

#CCC6A1

accent

#C055D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5665BB

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

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