#5665BF#5665BF

#5665BF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.0% C 0.140 H 273.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5665BF
RGB	rgb(86, 101, 191)
HSL	hsl(231, 45%, 54%)
HSV	hsv(231, 55%, 75%)
CMYK	cmyk(55%, 47.1%, 0%, 25.1%)
CIE-LAB	lab(45.70, 20.62, -49.19)
CIE-LCH	lch(45.70, 53.34, 292.74°)
OKLab	oklab(53.97% 0.009 -0.1402)
OKLCH	oklch(53.97% 0.14 273.7)
XYZ	xyz(17.8924, 15.0461, 51.2415)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5665BF #BFB056

analogous

#5699BF #5665BF #7C56BF

triadic

#5665BF #BF5665 #65BF56

tetradic

#5665BF #BF5699 #BFB056 #56BF7C

square

#5665BF #BF5699 #BFB056 #56BF7C

split-complementary

#5665BF #BF7C56 #99BF56

monochromatic

#2A3470 #3B499D #5665BF #828DD0 #AFB6E1

Accessibility & contrast

On white

5.24

#5665BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5665BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5665BF

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5665BF	#FFFFFF	#000000	##FFFFFF
##5665BF	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C2

Deuteranopia (green-blind)

#2E68BD

Tritanopia (blue-blind)

#1F7989

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5665bf;
/* rgb */ color: rgb(86, 101, 191);
/* oklch */ color: oklch(54.0% 0.140 273.7);

Tailwind

colors: {
  custom: {
    50: '#8d90d3',
    500: '#5665bf',
    950: '#000000',
  },
}

SCSS

$custom: #5665bf;
$custom-light: #8d90d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5665bf",
  "rgb": {
    "r": 86,
    "g": 101,
    "b": 191
  },
  "hsl": {
    "h": 231.429,
    "s": 45.064,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53965,
    "c": 0.14048,
    "h": 273.7
  },
  "luminance": 0.15047
}

Semantic roles & 50–950 ramp

primary

#5665BF

secondary

#CFC8A2

accent

#C253D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5665BF

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

Preview Lab → · Contrast checker → · Palette generator →