#5583EB#5583EB

#5583EB is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.8% C 0.164 H 264.3°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5583EB
RGB	rgb(85, 131, 235)
HSL	hsl(222, 79%, 63%)
HSV	hsv(222, 64%, 92%)
CMYK	cmyk(63.8%, 44.3%, 0%, 7.8%)
CIE-LAB	lab(56.25, 16.68, -57.27)
CIE-LCH	lch(56.25, 59.65, 286.23°)
OKLab	oklab(62.85% -0.0164 -0.1636)
OKLCH	oklch(62.85% 0.164 264.3)
XYZ	xyz(26.8528, 24.1596, 81.8293)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583EB #EBBD55

analogous

#55CEEB #5583EB #7255EB

triadic

#5583EB #EB5583 #83EB55

tetradic

#5583EB #EB55CE #EBBD55 #55EB72

square

#5583EB #EB55CE #EBBD55 #55EB72

split-complementary

#5583EB #EB7255 #CEEB55

monochromatic

#1545B1 #1E5BE5 #5583EB #8CABF1 #C3D3F8

Accessibility & contrast

On white

3.60

#5583EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#5583EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583EB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583EB	#FFFFFF	#000000	##000000
##5583EB	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518EEF

Deuteranopia (green-blind)

#3880E9

Tritanopia (blue-blind)

#009BAB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5583eb;
/* rgb */ color: rgb(85, 131, 235);
/* oklch */ color: oklch(62.8% 0.164 264.3);

Tailwind

colors: {
  custom: {
    50: '#93a6f2',
    500: '#5583eb',
    950: '#000000',
  },
}

SCSS

$custom: #5583eb;
$custom-light: #93a6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5583eb",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 235
  },
  "hsl": {
    "h": 221.6,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.62849,
    "c": 0.16441,
    "h": 264.3
  },
  "luminance": 0.24162
}

Semantic roles & 50–950 ramp

primary

#5583EB

secondary

#E9D8B3

accent

#9B0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5583EB

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

Preview Lab → · Contrast checker → · Palette generator →