#5590EF#5590EF

#5590EF is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.155 H 259.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#5590EF
RGB	rgb(85, 144, 239)
HSL	hsl(217, 83%, 64%)
HSV	hsv(217, 64%, 94%)
CMYK	cmyk(64.4%, 39.7%, 0%, 6.3%)
CIE-LAB	lab(59.99, 10.22, -53.52)
CIE-LCH	lch(59.99, 54.49, 280.81°)
OKLab	oklab(65.81% -0.0282 -0.1524)
OKLCH	oklch(65.81% 0.155 259.5)
XYZ	xyz(29.2940, 28.1070, 85.5260)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590EF #EFB455

analogous

#55DDEF #5590EF #6755EF

triadic

#5590EF #EF5590 #90EF55

tetradic

#5590EF #EF55DD #EFB455 #55EF67

square

#5590EF #EF55DD #EFB455 #55EF67

split-complementary

#5590EF #EF6755 #DDEF55

monochromatic

#1151B8 #1D6BEA #5590EF #8DB5F4 #C5D9FA

Accessibility & contrast

On white

3.17

#5590EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#5590EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590EF

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590EF	#FFFFFF	#000000	##000000
##5590EF	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6598F3

Deuteranopia (green-blind)

#4E8AED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5590ef;
/* rgb */ color: rgb(85, 144, 239);
/* oklch */ color: oklch(65.8% 0.155 259.5);

Tailwind

colors: {
  custom: {
    50: '#93b0f5',
    500: '#5590ef',
    950: '#000000',
  },
}

SCSS

$custom: #5590ef;
$custom-light: #93b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5590ef",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 239
  },
  "hsl": {
    "h": 217.013,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65805,
    "c": 0.15502,
    "h": 259.5
  },
  "luminance": 0.2811
}

Semantic roles & 50–950 ramp

primary

#5590EF

secondary

#EBD6B5

accent

#8C06DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5590EF

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

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