#5590F3#5590F3

#5590F3 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.0% C 0.160 H 260.1°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#5590F3
RGB	rgb(85, 144, 243)
HSL	hsl(218, 87%, 64%)
HSV	hsv(218, 65%, 95%)
CMYK	cmyk(65%, 40.7%, 0%, 4.7%)
CIE-LAB	lab(60.20, 11.57, -55.39)
CIE-LCH	lch(60.20, 56.59, 281.80°)
OKLab	oklab(66.04% -0.0274 -0.1579)
OKLCH	oklch(66.04% 0.16 260.1)
XYZ	xyz(29.8915, 28.3460, 88.6727)
Luminance	0.2835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590F3 #F3B855

analogous

#55DFF3 #5590F3 #6955F3

triadic

#5590F3 #F35590 #90F355

tetradic

#5590F3 #F355DF #F3B855 #55F369

square

#5590F3 #F355DF #F3B855 #55F369

split-complementary

#5590F3 #F36955 #DFF355

monochromatic

#0E50C0 #1C6BEF #5590F3 #8EB5F7 #C7DBFB

Accessibility & contrast

On white

3.15

#5590F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#5590F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590F3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590F3	#FFFFFF	#000000	##000000
##5590F3	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6399F7

Deuteranopia (green-blind)

#4A8AF1

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5590f3;
/* rgb */ color: rgb(85, 144, 243);
/* oklch */ color: oklch(66.0% 0.160 260.1);

Tailwind

colors: {
  custom: {
    50: '#94b0f7',
    500: '#5590f3',
    950: '#000000',
  },
}

SCSS

$custom: #5590f3;
$custom-light: #94b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5590f3",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 243
  },
  "hsl": {
    "h": 217.595,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.66041,
    "c": 0.16025,
    "h": 260.1
  },
  "luminance": 0.28349
}

Semantic roles & 50–950 ramp

primary

#5590F3

secondary

#EDD9B6

accent

#8F02E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5590F3

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

Preview Lab → · Contrast checker → · Palette generator →