#5581ED#5581ED

#5581ED is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.6% C 0.169 H 265.2°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5581ED
RGB	rgb(85, 129, 237)
HSL	hsl(223, 81%, 63%)
HSV	hsv(223, 64%, 93%)
CMYK	cmyk(64.1%, 45.6%, 0%, 7.1%)
CIE-LAB	lab(55.83, 18.57, -59.05)
CIE-LCH	lch(55.83, 61.90, 287.46°)
OKLab	oklab(62.57% -0.0142 -0.1689)
OKLCH	oklch(62.57% 0.169 265.2)
XYZ	xyz(26.8773, 23.7437, 83.2709)
Luminance	0.2375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581ED #EDC155

analogous

#55CDED #5581ED #7555ED

triadic

#5581ED #ED5581 #81ED55

tetradic

#5581ED #ED55CD #EDC155 #55ED75

square

#5581ED #ED55CD #EDC155 #55ED75

split-complementary

#5581ED #ED7555 #CDED55

monochromatic

#1342B4 #1E58E7 #5581ED #8CAAF3 #C4D3F9

Accessibility & contrast

On white

3.65

#5581ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#5581ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581ED

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581ED	#FFFFFF	#000000	##000000
##5581ED	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8DF1

Deuteranopia (green-blind)

#307FEB

Tritanopia (blue-blind)

#009AAB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5581ed;
/* rgb */ color: rgb(85, 129, 237);
/* oklch */ color: oklch(62.6% 0.169 265.2);

Tailwind

colors: {
  custom: {
    50: '#93a5f3',
    500: '#5581ed',
    950: '#000000',
  },
}

SCSS

$custom: #5581ed;
$custom-light: #93a5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5581ed",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 237
  },
  "hsl": {
    "h": 222.632,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62567,
    "c": 0.16946,
    "h": 265.2
  },
  "luminance": 0.23746
}

Semantic roles & 50–950 ramp

primary

#5581ED

secondary

#EADAB4

accent

#A008DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5581ED

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

Preview Lab → · Contrast checker → · Palette generator →