#5583F0#5583F0

#5583F0 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.2% C 0.171 H 264.7°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5583F0
RGB	rgb(85, 131, 240)
HSL	hsl(222, 84%, 64%)
HSV	hsv(222, 65%, 94%)
CMYK	cmyk(64.6%, 45.4%, 0%, 5.9%)
CIE-LAB	lab(56.54, 18.38, -59.58)
CIE-LCH	lch(56.54, 62.35, 287.14°)
OKLab	oklab(63.17% -0.0157 -0.1704)
OKLCH	oklch(63.17% 0.171 264.7)
XYZ	xyz(27.5853, 24.4526, 85.6873)
Luminance	0.2445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583F0 #F0C255

analogous

#55D0F0 #5583F0 #7455F0

triadic

#5583F0 #F05583 #83F055

tetradic

#5583F0 #F055D0 #F0C255 #55F074

square

#5583F0 #F055D0 #F0C255 #55F074

split-complementary

#5583F0 #F07455 #D0F055

monochromatic

#1043BA #1D5AEB #5583F0 #8DACF5 #C5D5FA

Accessibility & contrast

On white

3.56

#5583F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#5583F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583F0

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583F0	#FFFFFF	#000000	##000000
##5583F0	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8FF4

Deuteranopia (green-blind)

#3081EE

Tritanopia (blue-blind)

#009CAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5583f0;
/* rgb */ color: rgb(85, 131, 240);
/* oklch */ color: oklch(63.2% 0.171 264.7);

Tailwind

colors: {
  custom: {
    50: '#93a6f5',
    500: '#5583f0',
    950: '#000000',
  },
}

SCSS

$custom: #5583f0;
$custom-light: #93a6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5583f0",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 240
  },
  "hsl": {
    "h": 222.194,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.63166,
    "c": 0.17111,
    "h": 264.7
  },
  "luminance": 0.24455
}

Semantic roles & 50–950 ramp

primary

#5583F0

secondary

#ECDCB5

accent

#9F05E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5583F0

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

Preview Lab → · Contrast checker → · Palette generator →