#5590EB#5590EB

#5590EB is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.150 H 258.8°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#5590EB
RGB	rgb(85, 144, 235)
HSL	hsl(216, 79%, 63%)
HSV	hsv(216, 64%, 92%)
CMYK	cmyk(63.8%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.77, 8.87, -51.65)
CIE-LCH	lch(59.77, 52.40, 279.74°)
OKLab	oklab(65.57% -0.0291 -0.1469)
OKLCH	oklch(65.57% 0.15 258.8)
XYZ	xyz(28.7096, 27.8732, 82.4482)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590EB #EBB055

analogous

#55DBEB #5590EB #6555EB

triadic

#5590EB #EB5590 #90EB55

tetradic

#5590EB #EB55DB #EBB055 #55EB65

square

#5590EB #EB55DB #EBB055 #55EB65

split-complementary

#5590EB #EB6555 #DBEB55

monochromatic

#1552B1 #1E6CE5 #5590EB #8CB4F1 #C3D8F8

Accessibility & contrast

On white

3.19

#5590EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#5590EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590EB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590EB	#FFFFFF	#000000	##000000
##5590EB	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898EF

Deuteranopia (green-blind)

#528AE9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5590eb;
/* rgb */ color: rgb(85, 144, 235);
/* oklch */ color: oklch(65.6% 0.150 258.8);

Tailwind

colors: {
  custom: {
    50: '#92b0f2',
    500: '#5590eb',
    950: '#000000',
  },
}

SCSS

$custom: #5590eb;
$custom-light: #92b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5590eb",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 216.4,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65572,
    "c": 0.14977,
    "h": 258.8
  },
  "luminance": 0.27876
}

Semantic roles & 50–950 ramp

primary

#5590EB

secondary

#E9D4B3

accent

#890ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5590EB

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

Preview Lab → · Contrast checker → · Palette generator →