#565CB1#565CB1

#565CB1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.133 H 277.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#565CB1
RGB	rgb(86, 92, 177)
HSL	hsl(236, 37%, 52%)
HSV	hsv(236, 51%, 69%)
CMYK	cmyk(51.4%, 48%, 0%, 30.6%)
CIE-LAB	lab(42.47, 21.72, -46.19)
CIE-LCH	lch(42.47, 51.05, 295.19°)
OKLab	oklab(51.24% 0.0175 -0.1315)
OKLCH	oklch(51.24% 0.133 277.6)
XYZ	xyz(15.5982, 12.8061, 43.2364)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565CB1 #B1AB56

analogous

#568AB1 #565CB1 #7E56B1

triadic

#565CB1 #B1565C #5CB156

tetradic

#565CB1 #B1568A #B1AB56 #56B17E

square

#565CB1 #B1568A #B1AB56 #56B17E

split-complementary

#565CB1 #B17E56 #8AB156

monochromatic

#2C3060 #40458A #565CB1 #8084C4 #AAADD8

Accessibility & contrast

On white

5.90

#565CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#565CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565CB1

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565CB1	#FFFFFF	#000000	##FFFFFF
##565CB1	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)

#3668B4

Deuteranopia (green-blind)

#2D61AF

Tritanopia (blue-blind)

#306E7E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #565cb1;
/* rgb */ color: rgb(86, 92, 177);
/* oklch */ color: oklch(51.2% 0.133 277.6);

Tailwind

colors: {
  custom: {
    50: '#8c8ac9',
    500: '#565cb1',
    950: '#000000',
  },
}

SCSS

$custom: #565cb1;
$custom-light: #8c8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#565cb1",
  "rgb": {
    "r": 86,
    "g": 92,
    "b": 177
  },
  "hsl": {
    "h": 236.044,
    "s": 36.842,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51244,
    "c": 0.13262,
    "h": 277.6
  },
  "luminance": 0.12807
}

Semantic roles & 50–950 ramp

primary

#565CB1

secondary

#C5C39D

accent

#C55BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #565CB1

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

Preview Lab → · Contrast checker → · Palette generator →