#5588E3#5588E3

#5588E3 is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.4% C 0.148 H 261.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5588E3
RGB	rgb(85, 136, 227)
HSL	hsl(218, 72%, 61%)
HSV	hsv(218, 63%, 89%)
CMYK	cmyk(62.6%, 40.1%, 0%, 11%)
CIE-LAB	lab(57.16, 10.95, -51.36)
CIE-LCH	lch(57.16, 52.52, 282.03°)
OKLab	oklab(63.41% -0.0228 -0.1462)
OKLCH	oklch(63.41% 0.148 261.1)
XYZ	xyz(26.4107, 25.0832, 76.1079)
Luminance	0.2509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5588E3 #E3B055

analogous

#55CFE3 #5588E3 #6955E3

triadic

#5588E3 #E35588 #88E355

tetradic

#5588E3 #E355CF #E3B055 #55E369

square

#5588E3 #E355CF #E3B055 #55E369

split-complementary

#5588E3 #E36955 #CFE355

monochromatic

#1B4CA3 #2364D7 #5588E3 #8AADEC #BED2F4

Accessibility & contrast

On white

3.49

#5588E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#5588E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5588E3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5588E3	#FFFFFF	#000000	##000000
##5588E3	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F90E7

Deuteranopia (green-blind)

#4B83E1

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5588e3;
/* rgb */ color: rgb(85, 136, 227);
/* oklch */ color: oklch(63.4% 0.148 261.1);

Tailwind

colors: {
  custom: {
    50: '#91aaec',
    500: '#5588e3',
    950: '#000000',
  },
}

SCSS

$custom: #5588e3;
$custom-light: #91aaec;
$custom-dark: #000000;

JSON

{
  "hex": "#5588e3",
  "rgb": {
    "r": 85,
    "g": 136,
    "b": 227
  },
  "hsl": {
    "h": 218.451,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.63406,
    "c": 0.14796,
    "h": 261.1
  },
  "luminance": 0.25086
}

Semantic roles & 50–950 ramp

primary

#5588E3

secondary

#E5D1AF

accent

#8E12D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5588E3

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

Preview Lab → · Contrast checker → · Palette generator →