#5B8EEC#5B8EEC

#5B8EEC is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.5% C 0.151 H 261.6°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#5B8EEC
RGBrgb(91, 142, 236)
HSLhsl(219, 79%, 64%)
HSVhsv(219, 61%, 93%)
CMYKcmyk(61.4%, 39.8%, 0%, 7.5%)
CIE-LABlab(59.55, 11.45, -52.55)
CIE-LCHlch(59.55, 53.78, 282.29°)
OKLaboklab(65.49% -0.022 -0.1495)
OKLCHoklch(65.49% 0.151 261.6)
XYZxyz(29.1224, 27.6237, 83.1378)
Luminance0.2763 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B8EEC #ECB95B
analogous
#5BD6EC #5B8EEC #715BEC
triadic
#5B8EEC #EC5B8E #8EEC5B
tetradic
#5B8EEC #EC5BD6 #ECB95B #5BEC71
square
#5B8EEC #EC5BD6 #ECB95B #5BEC71
split-complementary
#5B8EEC #EC715B #D6EC5B
monochromatic
#154EB7 #2468E6 #5B8EEC #92B4F2 #C9DAF9

Accessibility & contrast

On white

3.22
#5B8EEC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.53
#5B8EEC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EEC
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B8EEC#FFFFFF#000000##000000
##5B8EEC1.003.226.536.53
#FFFFFF3.221.0021.0021.00
#0000006.5321.001.001.00
##0000006.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6597F0
Deuteranopia (green-blind)
#5089EA
Tritanopia (blue-blind)
#00A3B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #5b8eec;
/* rgb */ color: rgb(91, 142, 236);
/* oklch */ color: oklch(65.5% 0.151 261.6);
Tailwind
colors: {
  custom: {
    50: '#95aef2',
    500: '#5b8eec',
    950: '#000000',
  },
}
SCSS
$custom: #5b8eec;
$custom-light: #95aef2;
$custom-dark: #000000;
JSON
{
  "hex": "#5b8eec",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 236
  },
  "hsl": {
    "h": 218.897,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65486,
    "c": 0.15109,
    "h": 261.6
  },
  "luminance": 0.27626
}

Semantic roles & 50–950 ramp

primary
#5B8EEC
secondary
#EBD9B8
accent
#920ADC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85

Preview Lab

Preview with #5B8EEC

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

Preview Lab → · Contrast checker → · Palette generator →

#5B8EEC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva