#5583EA#5583EA

#5583EA is a light, vivid blue. Relative luminance 0.241; OKLCH L 62.8% C 0.163 H 264.2°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#5583EA
RGB	rgb(85, 131, 234)
HSL	hsl(221, 78%, 63%)
HSV	hsv(221, 64%, 92%)
CMYK	cmyk(63.7%, 44%, 0%, 8.2%)
CIE-LAB	lab(56.19, 16.34, -56.81)
CIE-LCH	lch(56.19, 59.11, 286.04°)
OKLab	oklab(62.79% -0.0166 -0.1622)
OKLCH	oklch(62.79% 0.163 264.2)
XYZ	xyz(26.7087, 24.1019, 81.0706)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583EA #EABC55

analogous

#55CDEA #5583EA #7255EA

triadic

#5583EA #EA5583 #83EA55

tetradic

#5583EA #EA55CD #EABC55 #55EA72

square

#5583EA #EA55CD #EABC55 #55EA72

split-complementary

#5583EA #EA7255 #CDEA55

monochromatic

#1645AF #1F5BE3 #5583EA #8BABF1 #C2D2F7

Accessibility & contrast

On white

3.61

#5583EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#5583EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583EA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583EA	#FFFFFF	#000000	##000000
##5583EA	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528EEE

Deuteranopia (green-blind)

#3980E8

Tritanopia (blue-blind)

#009BAB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5583ea;
/* rgb */ color: rgb(85, 131, 234);
/* oklch */ color: oklch(62.8% 0.163 264.2);

Tailwind

colors: {
  custom: {
    50: '#92a6f1',
    500: '#5583ea',
    950: '#000000',
  },
}

SCSS

$custom: #5583ea;
$custom-light: #92a6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5583ea",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 234
  },
  "hsl": {
    "h": 221.477,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62786,
    "c": 0.16308,
    "h": 264.2
  },
  "luminance": 0.24104
}

Semantic roles & 50–950 ramp

primary

#5583EA

secondary

#E8D8B2

accent

#9A0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5583EA

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

Preview Lab → · Contrast checker → · Palette generator →