#5A88EB#5A88EB

#5A88EB is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.1% C 0.157 H 263.8°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#5A88EB
RGBrgb(90, 136, 235)
HSLhsl(221, 78%, 64%)
HSVhsv(221, 62%, 92%)
CMYKcmyk(61.7%, 42.1%, 0%, 7.8%)
CIE-LABlab(57.83, 14.52, -54.74)
CIE-LCHlch(57.83, 56.63, 284.86°)
OKLaboklab(64.13% -0.017 -0.156)
OKLCHoklch(64.13% 0.157 263.8)
XYZxyz(28.0108, 25.7776, 82.0806)
Luminance0.2578 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5A88EB #EBBD5A
analogous
#5AD0EB #5A88EB #745AEB
triadic
#5A88EB #EB5A88 #88EB5A
tetradic
#5A88EB #EB5AD0 #EBBD5A #5AEB74
square
#5A88EB #EB5AD0 #EBBD5A #5AEB74
split-complementary
#5A88EB #EB745A #D0EB5A
monochromatic
#1648B5 #2361E4 #5A88EB #91AFF2 #C7D7F8

Accessibility & contrast

On white

3.41
#5A88EB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#5A88EB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A88EB
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5A88EB#FFFFFF#000000##000000
##5A88EB1.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B92EF
Deuteranopia (green-blind)
#4585E9
Tritanopia (blue-blind)
#009EAE
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #5a88eb;
/* rgb */ color: rgb(90, 136, 235);
/* oklch */ color: oklch(64.1% 0.157 263.8);
Tailwind
colors: {
  custom: {
    50: '#95aaf2',
    500: '#5a88eb',
    950: '#000000',
  },
}
SCSS
$custom: #5a88eb;
$custom-light: #95aaf2;
$custom-dark: #000000;
JSON
{
  "hex": "#5a88eb",
  "rgb": {
    "r": 90,
    "g": 136,
    "b": 235
  },
  "hsl": {
    "h": 220.966,
    "s": 78.378,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64127,
    "c": 0.15691,
    "h": 263.8
  },
  "luminance": 0.2578
}

Semantic roles & 50–950 ramp

primary
#5A88EB
secondary
#EADAB7
accent
#990BDB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F17
muted
#7E7F85

Preview Lab

Preview with #5A88EB

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

Preview Lab → · Contrast checker → · Palette generator →

#5A88EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva