#5580D9#5580D9

#5580D9 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.1% C 0.144 H 263.3°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5580D9
RGB	rgb(85, 128, 217)
HSL	hsl(220, 63%, 59%)
HSV	hsv(220, 61%, 85%)
CMYK	cmyk(60.8%, 41%, 0%, 14.9%)
CIE-LAB	lab(54.43, 12.41, -50.11)
CIE-LCH	lch(54.43, 51.62, 283.91°)
OKLab	oklab(61.12% -0.0167 -0.1426)
OKLCH	oklch(61.12% 0.144 263.3)
XYZ	xyz(23.9855, 22.3773, 68.6874)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580D9 #D9AE55

analogous

#55C2D9 #5580D9 #6C55D9

triadic

#5580D9 #D95580 #80D955

tetradic

#5580D9 #D955C2 #D9AE55 #55D96C

square

#5580D9 #D955C2 #D9AE55 #55D96C

split-complementary

#5580D9 #D96C55 #C2D955

monochromatic

#214693 #2C5EC5 #5580D9 #87A5E4 #B9CBEF

Accessibility & contrast

On white

3.84

#5580D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#5580D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580D9

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580D9	#FFFFFF	#000000	##000000
##5580D9	1.00	3.84	5.48	5.48
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DC

Deuteranopia (green-blind)

#467DD7

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5580d9;
/* rgb */ color: rgb(85, 128, 217);
/* oklch */ color: oklch(61.1% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#90a4e5',
    500: '#5580d9',
    950: '#000000',
  },
}

SCSS

$custom: #5580d9;
$custom-light: #90a4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5580d9",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 217
  },
  "hsl": {
    "h": 220.455,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.61119,
    "c": 0.14357,
    "h": 263.3
  },
  "luminance": 0.22379
}

Semantic roles & 50–950 ramp

primary

#5580D9

secondary

#DFCEAB

accent

#B141E6

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5580D9

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

Preview Lab → · Contrast checker → · Palette generator →