#565BBB#565BBB

#565BBB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.148 H 277.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#565BBB
RGB	rgb(86, 91, 187)
HSL	hsl(237, 43%, 54%)
HSV	hsv(237, 54%, 73%)
CMYK	cmyk(54%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(42.83, 25.58, -51.46)
CIE-LCH	lch(42.83, 57.47, 296.43°)
OKLab	oklab(51.72% 0.0197 -0.1469)
OKLCH	oklch(51.72% 0.148 277.6)
XYZ	xyz(16.5456, 13.0474, 48.6506)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565BBB #BBB656

analogous

#568DBB #565BBB #8356BB

triadic

#565BBB #BB565B #5BBB56

tetradic

#565BBB #BB568D #BBB656 #56BB83

square

#565BBB #BB568D #BBB656 #56BB83

split-complementary

#565BBB #BB8356 #8DBB56

monochromatic

#2B2E6B #3D4197 #565BBB #8285CD #ADB0DE

Accessibility & contrast

On white

5.82

#565BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#565BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565BBB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565BBB	#FFFFFF	#000000	##FFFFFF
##565BBB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BE

Deuteranopia (green-blind)

#1B61B9

Tritanopia (blue-blind)

#277082

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #565bbb;
/* rgb */ color: rgb(86, 91, 187);
/* oklch */ color: oklch(51.7% 0.148 277.6);

Tailwind

colors: {
  custom: {
    50: '#8d89d0',
    500: '#565bbb',
    950: '#000000',
  },
}

SCSS

$custom: #565bbb;
$custom-light: #8d89d0;
$custom-dark: #000000;

JSON

{
  "hex": "#565bbb",
  "rgb": {
    "r": 86,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 237.03,
    "s": 42.616,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51721,
    "c": 0.14826,
    "h": 277.6
  },
  "luminance": 0.13048
}

Semantic roles & 50–950 ramp

primary

#565BBB

secondary

#CCCAA1

accent

#CC55D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #565BBB

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

Preview Lab → · Contrast checker → · Palette generator →