#565BB5#565BB5

#565BB5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.140 H 277.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#565BB5
RGB	rgb(86, 91, 181)
HSL	hsl(237, 39%, 52%)
HSV	hsv(237, 52%, 71%)
CMYK	cmyk(52.5%, 49.7%, 0%, 29%)
CIE-LAB	lab(42.45, 23.64, -48.56)
CIE-LCH	lch(42.45, 54.01, 295.96°)
OKLab	oklab(51.31% 0.0191 -0.1384)
OKLCH	oklch(51.31% 0.14 277.9)
XYZ	xyz(15.9167, 12.7958, 45.3382)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565BB5 #B5B056

analogous

#568BB5 #565BB5 #8056B5

triadic

#565BB5 #B5565B #5BB556

tetradic

#565BB5 #B5568B #B5B056 #56B580

square

#565BB5 #B5568B #B5B056 #56B580

split-complementary

#565BB5 #B58056 #8BB556

monochromatic

#2C2F65 #3F438F #565BB5 #8184C8 #ABAEDA

Accessibility & contrast

On white

5.90

#565BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#565BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565BB5

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565BB5	#FFFFFF	#000000	##FFFFFF
##565BB5	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#2561B3

Tritanopia (blue-blind)

#2D6F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #565bb5;
/* rgb */ color: rgb(86, 91, 181);
/* oklch */ color: oklch(51.3% 0.140 277.9);

Tailwind

colors: {
  custom: {
    50: '#8c89cc',
    500: '#565bb5',
    950: '#000000',
  },
}

SCSS

$custom: #565bb5;
$custom-light: #8c89cc;
$custom-dark: #000000;

JSON

{
  "hex": "#565bb5",
  "rgb": {
    "r": 86,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 236.842,
    "s": 39.095,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51312,
    "c": 0.13976,
    "h": 277.9
  },
  "luminance": 0.12797
}

Semantic roles & 50–950 ramp

primary

#565BB5

secondary

#C8C69F

accent

#C959CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #565BB5

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

Preview Lab → · Contrast checker → · Palette generator →