#565CB5#565CB5

#565CB5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.138 H 277.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#565CB5
RGB	rgb(86, 92, 181)
HSL	hsl(236, 39%, 52%)
HSV	hsv(236, 52%, 71%)
CMYK	cmyk(52.5%, 49.2%, 0%, 29%)
CIE-LAB	lab(42.71, 23.01, -48.15)
CIE-LCH	lch(42.71, 53.36, 295.55°)
OKLab	oklab(51.51% 0.018 -0.1372)
OKLCH	oklch(51.51% 0.138 277.5)
XYZ	xyz(16.0028, 12.9679, 45.3669)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565CB5 #B5AF56

analogous

#568BB5 #565CB5 #8056B5

triadic

#565CB5 #B5565C #5CB556

tetradic

#565CB5 #B5568B #B5AF56 #56B580

square

#565CB5 #B5568B #B5AF56 #56B580

split-complementary

#565CB5 #B58056 #8BB556

monochromatic

#2C3065 #3F448F #565CB5 #8185C8 #ABAEDA

Accessibility & contrast

On white

5.84

#565CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#565CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565CB5

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565CB5	#FFFFFF	#000000	##FFFFFF
##565CB5	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3269B8

Deuteranopia (green-blind)

#2861B3

Tritanopia (blue-blind)

#2D7080

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #565cb5;
/* rgb */ color: rgb(86, 92, 181);
/* oklch */ color: oklch(51.5% 0.138 277.5);

Tailwind

colors: {
  custom: {
    50: '#8c8acc',
    500: '#565cb5',
    950: '#000000',
  },
}

SCSS

$custom: #565cb5;
$custom-light: #8c8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#565cb5",
  "rgb": {
    "r": 86,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 236.211,
    "s": 39.095,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51509,
    "c": 0.13837,
    "h": 277.5
  },
  "luminance": 0.12969
}

Semantic roles & 50–950 ramp

primary

#565CB5

secondary

#C8C59F

accent

#C859CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #565CB5

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

Preview Lab → · Contrast checker → · Palette generator →