#5B90E6#5B90E6

#5B90E6 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.141 H 259.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#5B90E6
RGBrgb(91, 144, 230)
HSLhsl(217, 74%, 63%)
HSVhsv(217, 60%, 90%)
CMYKcmyk(60.4%, 37.4%, 0%, 9.8%)
CIE-LABlab(59.78, 8.27, -48.85)
CIE-LCHlch(59.78, 49.54, 279.61°)
OKLaboklab(65.57% -0.0253 -0.1386)
OKLCHoklch(65.57% 0.141 259.6)
XYZxyz(28.5655, 27.8813, 78.7238)
Luminance0.2788 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B90E6 #E6B15B
analogous
#5BD6E6 #5B90E6 #6B5BE6
triadic
#5B90E6 #E65B90 #90E65B
tetradic
#5B90E6 #E65BD6 #E6B15B #5BE66B
square
#5B90E6 #E65BD6 #E6B15B #5BE66B
split-complementary
#5B90E6 #E66B5B #D6E65B
monochromatic
#1A52AC #266CDE #5B90E6 #90B4EE #C5D8F6

Accessibility & contrast

On white

3.19
#5B90E6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#5B90E6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90E6
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B90E6#FFFFFF#000000##000000
##5B90E61.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B97E9
Deuteranopia (green-blind)
#588AE4
Tritanopia (blue-blind)
#00A3B0
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #5b90e6;
/* rgb */ color: rgb(91, 144, 230);
/* oklch */ color: oklch(65.6% 0.141 259.6);
Tailwind
colors: {
  custom: {
    50: '#94b0ee',
    500: '#5b90e6',
    950: '#000000',
  },
}
SCSS
$custom: #5b90e6;
$custom-light: #94b0ee;
$custom-dark: #000000;
JSON
{
  "hex": "#5b90e6",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 230
  },
  "hsl": {
    "h": 217.122,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65566,
    "c": 0.14093,
    "h": 259.6
  },
  "luminance": 0.27884
}

Semantic roles & 50–950 ramp

primary
#5B90E6
secondary
#E7D4B5
accent
#8A10D6
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #5B90E6

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

Preview Lab → · Contrast checker → · Palette generator →

#5B90E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva