#5583FF#5583FF

#5583FF is a light, vivid blue. Relative luminance 0.254; OKLCH L 64.1% C 0.191 H 265.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#5583FF
RGB	rgb(85, 131, 255)
HSL	hsl(224, 100%, 67%)
HSV	hsv(224, 67%, 100%)
CMYK	cmyk(66.7%, 48.6%, 0%, 0%)
CIE-LAB	lab(57.44, 23.51, -66.41)
CIE-LCH	lch(57.44, 70.45, 289.49°)
OKLab	oklab(64.15% -0.0136 -0.1905)
OKLCH	oklch(64.15% 0.191 265.9)
XYZ	xyz(29.9063, 25.3810, 97.9113)
Luminance	0.2538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583FF #FFD155

analogous

#55D8FF #5583FF #7C55FF

triadic

#5583FF #FF5583 #83FF55

tetradic

#5583FF #FF55D8 #FFD155 #55FF7C

square

#5583FF #FF55D8 #FFD155 #55FF7C

split-complementary

#5583FF #FF7C55 #D8FF55

monochromatic

#003BDA #1856FF #5583FF #92B0FF #CFDCFF

Accessibility & contrast

On white

3.46

#5583FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#5583FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583FF

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583FF	#FFFFFF	#000000	##000000
##5583FF	1.00	3.46	6.08	6.08
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E92FF

Deuteranopia (green-blind)

#0283FC

Tritanopia (blue-blind)

#00A0B5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5583ff;
/* rgb */ color: rgb(85, 131, 255);
/* oklch */ color: oklch(64.1% 0.191 265.9);

Tailwind

colors: {
  custom: {
    50: '#96a6ff',
    500: '#5583ff',
    950: '#000000',
  },
}

SCSS

$custom: #5583ff;
$custom-light: #96a6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5583ff",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 255
  },
  "hsl": {
    "h": 223.765,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.6415,
    "c": 0.19097,
    "h": 265.9
  },
  "luminance": 0.25384
}

Semantic roles & 50–950 ramp

primary

#5583FF

secondary

#F3E4BD

accent

#A700E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #5583FF

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

Preview Lab → · Contrast checker → · Palette generator →