#5580EC#5580EC

#5580EC is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.3% C 0.169 H 265.4°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5580EC
RGB	rgb(85, 128, 236)
HSL	hsl(223, 80%, 63%)
HSV	hsv(223, 64%, 93%)
CMYK	cmyk(64%, 45.8%, 0%, 7.5%)
CIE-LAB	lab(55.51, 18.84, -59.02)
CIE-LCH	lch(55.51, 61.95, 287.71°)
OKLab	oklab(62.3% -0.0134 -0.1688)
OKLCH	oklch(62.3% 0.169 265.4)
XYZ	xyz(26.6006, 23.4233, 82.4599)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580EC #ECC155

analogous

#55CBEC #5580EC #7555EC

triadic

#5580EC #EC5580 #80EC55

tetradic

#5580EC #EC55CB #ECC155 #55EC75

square

#5580EC #EC55CB #ECC155 #55EC75

split-complementary

#5580EC #EC7555 #CBEC55

monochromatic

#1441B3 #1E57E6 #5580EC #8CA9F2 #C3D2F8

Accessibility & contrast

On white

3.69

#5580EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#5580EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580EC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580EC	#FFFFFF	#000000	##000000
##5580EC	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8CF0

Deuteranopia (green-blind)

#2F7EEA

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5580ec;
/* rgb */ color: rgb(85, 128, 236);
/* oklch */ color: oklch(62.3% 0.169 265.4);

Tailwind

colors: {
  custom: {
    50: '#93a4f3',
    500: '#5580ec',
    950: '#000000',
  },
}

SCSS

$custom: #5580ec;
$custom-light: #93a4f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5580ec",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 236
  },
  "hsl": {
    "h": 222.914,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62299,
    "c": 0.16929,
    "h": 265.4
  },
  "luminance": 0.23426
}

Semantic roles & 50–950 ramp

primary

#5580EC

secondary

#EADAB3

accent

#A009DC

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5580EC

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

Preview Lab → · Contrast checker → · Palette generator →