#5B9CEF#5B9CEF

#5B9CEF is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.140 H 255.3°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#5B9CEF
RGBrgb(91, 156, 239)
HSLhsl(214, 82%, 65%)
HSVhsv(214, 62%, 94%)
CMYKcmyk(61.9%, 34.7%, 0%, 6.3%)
CIE-LABlab(63.53, 4.21, -47.89)
CIE-LCHlch(63.53, 48.07, 275.03°)
OKLaboklab(68.63% -0.0355 -0.1357)
OKLCHoklch(68.63% 0.14 255.3)
XYZxyz(31.7772, 32.2301, 86.1910)
Luminance0.3223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9CEF #EFAE5B
analogous
#5BE6EF #5B9CEF #645BEF
triadic
#5B9CEF #EF5B9C #9CEF5B
tetradic
#5B9CEF #EF5BE6 #EFAE5B #5BEF64
square
#5B9CEF #EF5BE6 #EFAE5B #5BEF64
split-complementary
#5B9CEF #EF645B #E6EF5B
monochromatic
#125DBD #237AEA #5B9CEF #93BEF4 #CBDFFA

Accessibility & contrast

On white

2.82
#5B9CEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.45
#5B9CEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9CEF
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9CEF#FFFFFF#000000##000000
##5B9CEF1.002.827.457.45
#FFFFFF2.821.0021.0021.00
#0000007.4521.001.001.00
##0000007.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#78A2F2
Deuteranopia (green-blind)
#6493ED
Tritanopia (blue-blind)
#00AFBA
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #5b9cef;
/* rgb */ color: rgb(91, 156, 239);
/* oklch */ color: oklch(68.6% 0.140 255.3);
Tailwind
colors: {
  custom: {
    50: '#96b8f4',
    500: '#5b9cef',
    950: '#000000',
  },
}
SCSS
$custom: #5b9cef;
$custom-light: #96b8f4;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9cef",
  "rgb": {
    "r": 91,
    "g": 156,
    "b": 239
  },
  "hsl": {
    "h": 213.649,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.68634,
    "c": 0.14026,
    "h": 255.3
  },
  "luminance": 0.32233
}

Semantic roles & 50–950 ramp

primary
#5B9CEF
secondary
#ECD6BA
accent
#8007DF
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #5B9CEF

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9CEF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva