#5663DD#5663DD

#5663DD is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.7% C 0.184 H 274.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5663DD
RGB	rgb(86, 99, 221)
HSL	hsl(234, 67%, 60%)
HSV	hsv(234, 61%, 87%)
CMYK	cmyk(61.1%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(47.13, 31.80, -64.08)
CIE-LCH	lch(47.13, 71.53, 296.40°)
OKLab	oklab(55.67% 0.0134 -0.184)
OKLCH	oklch(55.67% 0.184 274.2)
XYZ	xyz(21.3464, 16.1208, 70.3793)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663DD #DDD056

analogous

#56A7DD #5663DD #8C56DD

triadic

#5663DD #DD5663 #63DD56

tetradic

#5663DD #DD56A7 #DDD056 #56DD8C

square

#5663DD #DD56A7 #DDD056 #56DD8C

split-complementary

#5663DD #DD8C56 #A7DD56

monochromatic

#1F2B9A #2939CD #5663DD #8992E7 #BCC1F2

Accessibility & contrast

On white

4.97

#5663DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#5663DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663DD

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663DD	#FFFFFF	#000000	##FFFFFF
##5663DD	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E1

Deuteranopia (green-blind)

#006ADB

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5663dd;
/* rgb */ color: rgb(86, 99, 221);
/* oklch */ color: oklch(55.7% 0.184 274.2);

Tailwind

colors: {
  custom: {
    50: '#928fe8',
    500: '#5663dd',
    950: '#000000',
  },
}

SCSS

$custom: #5663dd;
$custom-light: #928fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5663dd",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 234.222,
    "s": 66.502,
    "l": 60.196
  },
  "oklch": {
    "l": 0.55669,
    "c": 0.18448,
    "h": 274.2
  },
  "luminance": 0.16123
}

Semantic roles & 50–950 ramp

primary

#5663DD

secondary

#E1DCAE

accent

#BD17CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5663DD

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

Preview Lab → · Contrast checker → · Palette generator →