#5590EE#5590EE

#5590EE is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.7% C 0.154 H 259.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5590EE
RGB	rgb(85, 144, 238)
HSL	hsl(217, 82%, 63%)
HSV	hsv(217, 64%, 93%)
CMYK	cmyk(64.3%, 39.5%, 0%, 6.7%)
CIE-LAB	lab(59.93, 9.88, -53.06)
CIE-LCH	lch(59.93, 53.97, 280.55°)
OKLab	oklab(65.75% -0.0284 -0.151)
OKLCH	oklch(65.75% 0.154 259.3)
XYZ	xyz(29.1467, 28.0481, 84.7501)
Luminance	0.2805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590EE #EEB355

analogous

#55DCEE #5590EE #6655EE

triadic

#5590EE #EE5590 #90EE55

tetradic

#5590EE #EE55DC #EEB355 #55EE66

square

#5590EE #EE55DC #EEB355 #55EE66

split-complementary

#5590EE #EE6655 #DCEE55

monochromatic

#1252B6 #1D6CE8 #5590EE #8DB4F4 #C4D9F9

Accessibility & contrast

On white

3.18

#5590EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#5590EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590EE

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590EE	#FFFFFF	#000000	##000000
##5590EE	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6698F2

Deuteranopia (green-blind)

#4F8AEC

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5590ee;
/* rgb */ color: rgb(85, 144, 238);
/* oklch */ color: oklch(65.7% 0.154 259.3);

Tailwind

colors: {
  custom: {
    50: '#93b0f4',
    500: '#5590ee',
    950: '#000000',
  },
}

SCSS

$custom: #5590ee;
$custom-light: #93b0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5590ee",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 238
  },
  "hsl": {
    "h": 216.863,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65747,
    "c": 0.15371,
    "h": 259.3
  },
  "luminance": 0.28051
}

Semantic roles & 50–950 ramp

primary

#5590EE

secondary

#EBD6B4

accent

#8B07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5590EE

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

Preview Lab → · Contrast checker → · Palette generator →