#5580DC#5580DC

#5580DC is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.3% C 0.148 H 263.7°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5580DC
RGB	rgb(85, 128, 220)
HSL	hsl(221, 66%, 60%)
HSV	hsv(221, 61%, 86%)
CMYK	cmyk(61.4%, 41.8%, 0%, 13.7%)
CIE-LAB	lab(54.59, 13.42, -51.53)
CIE-LCH	lch(54.59, 53.25, 284.60°)
OKLab	oklab(61.3% -0.0161 -0.1468)
OKLCH	oklch(61.3% 0.148 263.7)
XYZ	xyz(24.3793, 22.5348, 70.7612)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580DC #DCB155

analogous

#55C4DC #5580DC #6E55DC

triadic

#5580DC #DC5580 #80DC55

tetradic

#5580DC #DC55C4 #DCB155 #55DC6E

square

#5580DC #DC55C4 #DCB155 #55DC6E

split-complementary

#5580DC #DC6E55 #C4DC55

monochromatic

#1F4597 #2A5DCA #5580DC #88A6E6 #BBCCF1

Accessibility & contrast

On white

3.81

#5580DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#5580DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580DC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580DC	#FFFFFF	#000000	##000000
##5580DC	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789E0

Deuteranopia (green-blind)

#437DDA

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5580dc;
/* rgb */ color: rgb(85, 128, 220);
/* oklch */ color: oklch(61.3% 0.148 263.7);

Tailwind

colors: {
  custom: {
    50: '#90a4e7',
    500: '#5580dc',
    950: '#000000',
  },
}

SCSS

$custom: #5580dc;
$custom-light: #90a4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5580dc",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 220
  },
  "hsl": {
    "h": 220.889,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61299,
    "c": 0.14765,
    "h": 263.7
  },
  "luminance": 0.22537
}

Semantic roles & 50–950 ramp

primary

#5580DC

secondary

#E0D0AC

accent

#B33FE9

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5580DC

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

Preview Lab → · Contrast checker → · Palette generator →