#5590E4#5590E4

#5590E4 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.2% C 0.141 H 257.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#5590E4
RGB	rgb(85, 144, 228)
HSL	hsl(215, 73%, 61%)
HSV	hsv(215, 63%, 89%)
CMYK	cmyk(62.7%, 36.8%, 0%, 10.6%)
CIE-LAB	lab(59.41, 6.52, -48.34)
CIE-LCH	lch(59.41, 48.78, 277.68°)
OKLab	oklab(65.17% -0.0307 -0.1372)
OKLCH	oklch(65.17% 0.141 257.4)
XYZ	xyz(27.7182, 27.4766, 77.2265)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590E4 #E4A955

analogous

#55D8E4 #5590E4 #6255E4

triadic

#5590E4 #E45590 #90E455

tetradic

#5590E4 #E455D8 #E4A955 #55E462

square

#5590E4 #E455D8 #E4A955 #55E462

split-complementary

#5590E4 #E46255 #D8E455

monochromatic

#1A53A4 #236ED9 #5590E4 #8AB2EC #BFD5F5

Accessibility & contrast

On white

3.23

#5590E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#5590E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590E4

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590E4	#FFFFFF	#000000	##000000
##5590E4	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E7

Deuteranopia (green-blind)

#5889E2

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5590e4;
/* rgb */ color: rgb(85, 144, 228);
/* oklch */ color: oklch(65.2% 0.141 257.4);

Tailwind

colors: {
  custom: {
    50: '#91b0ed',
    500: '#5590e4',
    950: '#000000',
  },
}

SCSS

$custom: #5590e4;
$custom-light: #91b0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5590e4",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 228
  },
  "hsl": {
    "h": 215.245,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.65174,
    "c": 0.14062,
    "h": 257.4
  },
  "luminance": 0.27479
}

Semantic roles & 50–950 ramp

primary

#5590E4

secondary

#E5CFB0

accent

#8411D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5590E4

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

Preview Lab → · Contrast checker → · Palette generator →