#565BB4#565BB4

#565BB4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.138 H 277.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#565BB4
RGB	rgb(86, 91, 180)
HSL	hsl(237, 39%, 52%)
HSV	hsv(237, 52%, 71%)
CMYK	cmyk(52.2%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(42.39, 23.32, -48.08)
CIE-LCH	lch(42.39, 53.44, 295.87°)
OKLab	oklab(51.25% 0.019 -0.137)
OKLCH	oklch(51.25% 0.138 277.9)
XYZ	xyz(15.8145, 12.7549, 44.7998)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#565BB4 #B4AF56

analogous

#568AB4 #565BB4 #8056B4

triadic

#565BB4 #B4565B #5BB456

tetradic

#565BB4 #B4568A #B4AF56 #56B480

square

#565BB4 #B4568A #B4AF56 #56B480

split-complementary

#565BB4 #B48056 #8AB456

monochromatic

#2C2F63 #3F438E #565BB4 #8084C7 #ABADDA

Accessibility & contrast

On white

5.91

#565BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#565BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #565BB4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##565BB4	#FFFFFF	#000000	##FFFFFF
##565BB4	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3168B7

Deuteranopia (green-blind)

#2760B2

Tritanopia (blue-blind)

#2E6F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #565bb4;
/* rgb */ color: rgb(86, 91, 180);
/* oklch */ color: oklch(51.2% 0.138 277.9);

Tailwind

colors: {
  custom: {
    50: '#8c89cb',
    500: '#565bb4',
    950: '#000000',
  },
}

SCSS

$custom: #565bb4;
$custom-light: #8c89cb;
$custom-dark: #000000;

JSON

{
  "hex": "#565bb4",
  "rgb": {
    "r": 86,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 236.809,
    "s": 38.525,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51245,
    "c": 0.13832,
    "h": 277.9
  },
  "luminance": 0.12756
}

Semantic roles & 50–950 ramp

primary

#565BB4

secondary

#C7C59E

accent

#C859CE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #565BB4

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

Preview Lab → · Contrast checker → · Palette generator →