#5588DC#5588DC

#5588DC is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.0% C 0.139 H 259.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#5588DC
RGB	rgb(85, 136, 220)
HSL	hsl(217, 66%, 60%)
HSV	hsv(217, 61%, 86%)
CMYK	cmyk(61.4%, 38.2%, 0%, 13.7%)
CIE-LAB	lab(56.79, 8.60, -48.04)
CIE-LCH	lch(56.79, 48.80, 280.14°)
OKLab	oklab(63% -0.0243 -0.1364)
OKLCH	oklch(63% 0.139 259.9)
XYZ	xyz(25.4642, 24.7046, 71.1228)
Luminance	0.2471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5588DC #DCA955

analogous

#55CCDC #5588DC #6555DC

triadic

#5588DC #DC5588 #88DC55

tetradic

#5588DC #DC55CC #DCA955 #55DC65

square

#5588DC #DC55CC #DCA955 #55DC65

split-complementary

#5588DC #DC6555 #CCDC55

monochromatic

#1F4D97 #2A66CA #5588DC #88ACE6 #BBCFF1

Accessibility & contrast

On white

3.53

#5588DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#5588DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5588DC

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5588DC	#FFFFFF	#000000	##000000
##5588DC	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648FDF

Deuteranopia (green-blind)

#5182DA

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5588dc;
/* rgb */ color: rgb(85, 136, 220);
/* oklch */ color: oklch(63.0% 0.139 259.9);

Tailwind

colors: {
  custom: {
    50: '#90aae7',
    500: '#5588dc',
    950: '#000000',
  },
}

SCSS

$custom: #5588dc;
$custom-light: #90aae7;
$custom-dark: #000000;

JSON

{
  "hex": "#5588dc",
  "rgb": {
    "r": 85,
    "g": 136,
    "b": 220
  },
  "hsl": {
    "h": 217.333,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.62998,
    "c": 0.13859,
    "h": 259.9
  },
  "luminance": 0.24707
}

Semantic roles & 50–950 ramp

primary

#5588DC

secondary

#E0CDAC

accent

#A93FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5588DC

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

Preview Lab → · Contrast checker → · Palette generator →