#565BCB#565BCB

#565BCB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.9% C 0.170 H 276.9°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#565BCB
RGB	rgb(86, 91, 203)
HSL	hsl(237, 53%, 57%)
HSV	hsv(237, 58%, 80%)
CMYK	cmyk(57.6%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(43.90, 30.80, -59.01)
CIE-LCH	lch(43.90, 66.57, 297.56°)
OKLab	oklab(52.86% 0.0206 -0.1692)
OKLCH	oklch(52.86% 0.17 276.9)
XYZ	xyz(18.3549, 13.7711, 58.1792)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565BCB #CBC656

analogous

#5696CB #565BCB #8C56CB

triadic

#565BCB #CB565B #5BCB56

tetradic

#565BCB #CB5696 #CBC656 #56CB8C

square

#565BCB #CB5696 #CBC656 #56CB8C

split-complementary

#565BCB #CB8C56 #96CB56

monochromatic

#272B7F #363BAE #565BCB #8588D9 #B4B6E8

Accessibility & contrast

On white

5.59

#565BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#565BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565BCB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565BCB	#FFFFFF	#000000	##FFFFFF
##565BCB	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066DCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#07758A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #565bcb;
/* rgb */ color: rgb(86, 91, 203);
/* oklch */ color: oklch(52.9% 0.170 276.9);

Tailwind

colors: {
  custom: {
    50: '#9089dc',
    500: '#565bcb',
    950: '#000000',
  },
}

SCSS

$custom: #565bcb;
$custom-light: #9089dc;
$custom-dark: #000000;

JSON

{
  "hex": "#565bcb",
  "rgb": {
    "r": 86,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 237.436,
    "s": 52.941,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52862,
    "c": 0.17041,
    "h": 276.9
  },
  "luminance": 0.13772
}

Semantic roles & 50–950 ramp

primary

#565BCB

secondary

#D6D4A6

accent

#D64BDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #565BCB

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

Preview Lab → · Contrast checker → · Palette generator →