#566FD2#566FD2

#566FD2 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.154 H 270.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#566FD2
RGB	rgb(86, 111, 210)
HSL	hsl(228, 58%, 58%)
HSV	hsv(228, 59%, 82%)
CMYK	cmyk(59%, 47.1%, 0%, 17.6%)
CIE-LAB	lab(49.49, 20.69, -54.02)
CIE-LCH	lch(49.49, 57.84, 290.96°)
OKLab	oklab(57.22% 0.0007 -0.1543)
OKLCH	oklch(57.22% 0.154 270.3)
XYZ	xyz(21.1512, 17.9988, 63.3198)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FD2 #D2B956

analogous

#56ADD2 #566FD2 #7B56D2

triadic

#566FD2 #D2566F #6FD256

tetradic

#566FD2 #D256AD #D2B956 #56D27B

square

#566FD2 #D256AD #D2B956 #56D27B

split-complementary

#566FD2 #D27B56 #ADD256

monochromatic

#253989 #314DB9 #566FD2 #8698DF #B7C1EC

Accessibility & contrast

On white

4.57

#566FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#566FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FD2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FD2	#FFFFFF	#000000	##000000
##566FD2	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7BD6

Deuteranopia (green-blind)

#2B70D0

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566fd2;
/* rgb */ color: rgb(86, 111, 210);
/* oklch */ color: oklch(57.2% 0.154 270.3);

Tailwind

colors: {
  custom: {
    50: '#9098e0',
    500: '#566fd2',
    950: '#000000',
  },
}

SCSS

$custom: #566fd2;
$custom-light: #9098e0;
$custom-dark: #000000;

JSON

{
  "hex": "#566fd2",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 210
  },
  "hsl": {
    "h": 227.903,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57222,
    "c": 0.15426,
    "h": 270.3
  },
  "luminance": 0.18
}

Semantic roles & 50–950 ramp

primary

#566FD2

secondary

#DBD1A9

accent

#C247E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566FD2

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

Preview Lab → · Contrast checker → · Palette generator →