#5583DC#5583DC

#5583DC is a mid, vivid blue. Relative luminance 0.233; OKLCH L 61.9% C 0.144 H 262.4°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5583DC
RGB	rgb(85, 131, 220)
HSL	hsl(220, 66%, 60%)
HSV	hsv(220, 61%, 86%)
CMYK	cmyk(61.4%, 40.5%, 0%, 13.7%)
CIE-LAB	lab(55.41, 11.60, -50.23)
CIE-LCH	lch(55.41, 51.55, 283.01°)
OKLab	oklab(61.93% -0.0192 -0.1429)
OKLCH	oklch(61.93% 0.144 262.4)
XYZ	xyz(24.7764, 23.3290, 70.8935)
Luminance	0.2333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583DC #DCAE55

analogous

#55C6DC #5583DC #6B55DC

triadic

#5583DC #DC5583 #83DC55

tetradic

#5583DC #DC55C6 #DCAE55 #55DC6B

square

#5583DC #DC55C6 #DCAE55 #55DC6B

split-complementary

#5583DC #DC6B55 #C6DC55

monochromatic

#1F4897 #2A60CA #5583DC #88A8E6 #BBCDF1

Accessibility & contrast

On white

3.71

#5583DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#5583DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583DC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583DC	#FFFFFF	#000000	##000000
##5583DC	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8BDF

Deuteranopia (green-blind)

#487FDA

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5583dc;
/* rgb */ color: rgb(85, 131, 220);
/* oklch */ color: oklch(61.9% 0.144 262.4);

Tailwind

colors: {
  custom: {
    50: '#90a6e7',
    500: '#5583dc',
    950: '#000000',
  },
}

SCSS

$custom: #5583dc;
$custom-light: #90a6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5583dc",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 220
  },
  "hsl": {
    "h": 219.556,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61932,
    "c": 0.14419,
    "h": 262.4
  },
  "luminance": 0.23331
}

Semantic roles & 50–950 ramp

primary

#5583DC

secondary

#E0CFAC

accent

#AF3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5583DC

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

Preview Lab → · Contrast checker → · Palette generator →