#5590E9#5590E9

#5590E9 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.5% C 0.147 H 258.4°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5590E9
RGB	rgb(85, 144, 233)
HSL	hsl(216, 77%, 62%)
HSV	hsv(216, 64%, 91%)
CMYK	cmyk(63.5%, 38.2%, 0%, 8.6%)
CIE-LAB	lab(59.67, 8.19, -50.71)
CIE-LCH	lch(59.67, 51.36, 279.18°)
OKLab	oklab(65.46% -0.0295 -0.1442)
OKLCH	oklch(65.46% 0.147 258.4)
XYZ	xyz(28.4223, 27.7583, 80.9350)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590E9 #E9AE55

analogous

#55DAE9 #5590E9 #6455E9

triadic

#5590E9 #E95590 #90E955

tetradic

#5590E9 #E955DA #E9AE55 #55E964

square

#5590E9 #E955DA #E9AE55 #55E964

split-complementary

#5590E9 #E96455 #DAE955

monochromatic

#1653AD #1F6DE2 #5590E9 #8BB3F0 #C1D7F7

Accessibility & contrast

On white

3.21

#5590E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#5590E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590E9

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590E9	#FFFFFF	#000000	##000000
##5590E9	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6997ED

Deuteranopia (green-blind)

#5489E7

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5590e9;
/* rgb */ color: rgb(85, 144, 233);
/* oklch */ color: oklch(65.5% 0.147 258.4);

Tailwind

colors: {
  custom: {
    50: '#92b0f0',
    500: '#5590e9',
    950: '#000000',
  },
}

SCSS

$custom: #5590e9;
$custom-light: #92b0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5590e9",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 233
  },
  "hsl": {
    "h": 216.081,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65457,
    "c": 0.14716,
    "h": 258.4
  },
  "luminance": 0.27761
}

Semantic roles & 50–950 ramp

primary

#5590E9

secondary

#E8D2B2

accent

#880CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5590E9

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

Preview Lab → · Contrast checker → · Palette generator →