#565BB1#565BB1

#565BB1 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.134 H 278.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#565BB1
RGB	rgb(86, 91, 177)
HSL	hsl(237, 37%, 52%)
HSV	hsv(237, 51%, 69%)
CMYK	cmyk(51.4%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(42.21, 22.35, -46.61)
CIE-LCH	lch(42.21, 51.70, 295.62°)
OKLab	oklab(51.04% 0.0187 -0.1327)
OKLCH	oklch(51.04% 0.134 278)
XYZ	xyz(15.5122, 12.6340, 43.2077)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565BB1 #B1AC56

analogous

#5689B1 #565BB1 #7F56B1

triadic

#565BB1 #B1565B #5BB156

tetradic

#565BB1 #B15689 #B1AC56 #56B17F

square

#565BB1 #B15689 #B1AC56 #56B17F

split-complementary

#565BB1 #B17F56 #89B156

monochromatic

#2C2F60 #40448A #565BB1 #8084C4 #AAACD8

Accessibility & contrast

On white

5.95

#565BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#565BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565BB1

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565BB1	#FFFFFF	#000000	##FFFFFF
##565BB1	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B4

Deuteranopia (green-blind)

#2B60AF

Tritanopia (blue-blind)

#316E7D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #565bb1;
/* rgb */ color: rgb(86, 91, 177);
/* oklch */ color: oklch(51.0% 0.134 278.0);

Tailwind

colors: {
  custom: {
    50: '#8c89c9',
    500: '#565bb1',
    950: '#000000',
  },
}

SCSS

$custom: #565bb1;
$custom-light: #8c89c9;
$custom-dark: #000000;

JSON

{
  "hex": "#565bb1",
  "rgb": {
    "r": 86,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 236.703,
    "s": 36.842,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51045,
    "c": 0.13402,
    "h": 278
  },
  "luminance": 0.12635
}

Semantic roles & 50–950 ramp

primary

#565BB1

secondary

#C5C39D

accent

#C75BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #565BB1

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

Preview Lab → · Contrast checker → · Palette generator →