#5583EC#5583EC

#5583EC is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.9% C 0.166 H 264.4°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5583EC
RGB	rgb(85, 131, 236)
HSL	hsl(222, 80%, 63%)
HSV	hsv(222, 64%, 93%)
CMYK	cmyk(64%, 44.5%, 0%, 7.5%)
CIE-LAB	lab(56.30, 17.02, -57.74)
CIE-LCH	lch(56.30, 60.19, 286.42°)
OKLab	oklab(62.91% -0.0163 -0.165)
OKLCH	oklch(62.91% 0.166 264.4)
XYZ	xyz(26.9977, 24.2175, 82.5923)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583EC #ECBE55

analogous

#55CEEC #5583EC #7255EC

triadic

#5583EC #EC5583 #83EC55

tetradic

#5583EC #EC55CE #ECBE55 #55EC72

square

#5583EC #EC55CE #ECBE55 #55EC72

split-complementary

#5583EC #EC7255 #CEEC55

monochromatic

#1444B3 #1E5BE6 #5583EC #8CABF2 #C3D3F8

Accessibility & contrast

On white

3.59

#5583EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#5583EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583EC

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583EC	#FFFFFF	#000000	##000000
##5583EC	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508EF0

Deuteranopia (green-blind)

#3681EA

Tritanopia (blue-blind)

#009BAC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5583ec;
/* rgb */ color: rgb(85, 131, 236);
/* oklch */ color: oklch(62.9% 0.166 264.4);

Tailwind

colors: {
  custom: {
    50: '#93a6f3',
    500: '#5583ec',
    950: '#000000',
  },
}

SCSS

$custom: #5583ec;
$custom-light: #93a6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5583ec",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 236
  },
  "hsl": {
    "h": 221.722,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62912,
    "c": 0.16576,
    "h": 264.4
  },
  "luminance": 0.2422
}

Semantic roles & 50–950 ramp

primary

#5583EC

secondary

#EAD9B3

accent

#9C09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5583EC

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

Preview Lab → · Contrast checker → · Palette generator →