#5B8EEF#5B8EEF

#5B8EEF is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.155 H 262.1°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#5B8EEF
RGBrgb(91, 142, 239)
HSLhsl(219, 82%, 65%)
HSVhsv(219, 62%, 94%)
CMYKcmyk(61.9%, 40.6%, 0%, 6.3%)
CIE-LABlab(59.71, 12.44, -53.95)
CIE-LCHlch(59.71, 55.37, 282.99°)
OKLaboklab(65.66% -0.0214 -0.1536)
OKLCHoklch(65.66% 0.155 262.1)
XYZxyz(29.5619, 27.7995, 85.4526)
Luminance0.2780 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B8EEF #EFBC5B
analogous
#5BD8EF #5B8EEF #725BEF
triadic
#5B8EEF #EF5B8E #8EEF5B
tetradic
#5B8EEF #EF5BD8 #EFBC5B #5BEF72
square
#5B8EEF #EF5BD8 #EFBC5B #5BEF72
split-complementary
#5B8EEF #EF725B #D8EF5B
monochromatic
#124DBD #2368EA #5B8EEF #93B4F4 #CBDBFA

Accessibility & contrast

On white

3.20
#5B8EEF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.56
#5B8EEF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EEF
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B8EEF#FFFFFF#000000##000000
##5B8EEF1.003.206.566.56
#FFFFFF3.201.0021.0021.00
#0000006.5621.001.001.00
##0000006.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6397F3
Deuteranopia (green-blind)
#4D89ED
Tritanopia (blue-blind)
#00A4B3
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #5b8eef;
/* rgb */ color: rgb(91, 142, 239);
/* oklch */ color: oklch(65.7% 0.155 262.1);
Tailwind
colors: {
  custom: {
    50: '#96aef5',
    500: '#5b8eef',
    950: '#000000',
  },
}
SCSS
$custom: #5b8eef;
$custom-light: #96aef5;
$custom-dark: #000000;
JSON
{
  "hex": "#5b8eef",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 239
  },
  "hsl": {
    "h": 219.324,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65662,
    "c": 0.15508,
    "h": 262.1
  },
  "luminance": 0.27802
}

Semantic roles & 50–950 ramp

primary
#5B8EEF
secondary
#ECDBBA
accent
#9407DF
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #5B8EEF

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

Preview Lab → · Contrast checker → · Palette generator →

#5B8EEF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva