#5588EE#5588EE

#5588EE is a light, vivid blue. Relative luminance 0.257; OKLCH L 64.1% C 0.163 H 262.7°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#5588EE
RGB	rgb(85, 136, 238)
HSL	hsl(220, 82%, 63%)
HSV	hsv(220, 64%, 93%)
CMYK	cmyk(64.3%, 42.9%, 0%, 6.7%)
CIE-LAB	lab(57.76, 14.67, -56.52)
CIE-LCH	lch(57.76, 58.39, 284.55°)
OKLab	oklab(64.07% -0.0207 -0.1613)
OKLCH	oklch(64.07% 0.163 262.7)
XYZ	xyz(27.9777, 25.7100, 84.3605)
Luminance	0.2571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5588EE #EEBB55

analogous

#55D4EE #5588EE #6E55EE

triadic

#5588EE #EE5588 #88EE55

tetradic

#5588EE #EE55D4 #EEBB55 #55EE6E

square

#5588EE #EE55D4 #EEBB55 #55EE6E

split-complementary

#5588EE #EE6E55 #D4EE55

monochromatic

#1249B6 #1D61E8 #5588EE #8DAFF4 #C4D6F9

Accessibility & contrast

On white

3.42

#5588EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#5588EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5588EE

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5588EE	#FFFFFF	#000000	##000000
##5588EE	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5892F2

Deuteranopia (green-blind)

#3F84EC

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5588ee;
/* rgb */ color: rgb(85, 136, 238);
/* oklch */ color: oklch(64.1% 0.163 262.7);

Tailwind

colors: {
  custom: {
    50: '#93aaf4',
    500: '#5588ee',
    950: '#000000',
  },
}

SCSS

$custom: #5588ee;
$custom-light: #93aaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5588ee",
  "rgb": {
    "r": 85,
    "g": 136,
    "b": 238
  },
  "hsl": {
    "h": 220,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64068,
    "c": 0.16264,
    "h": 262.7
  },
  "luminance": 0.25713
}

Semantic roles & 50–950 ramp

primary

#5588EE

secondary

#EBD8B4

accent

#9707DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5588EE

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

Preview Lab → · Contrast checker → · Palette generator →