#5BB6EF#5BB6EF

#5BB6EF is a light, moderate cyan. Relative luminance 0.419; OKLCH L 74.4% C 0.120 H 238.7°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX#5BB6EF
RGBrgb(91, 182, 239)
HSLhsl(203, 82%, 65%)
HSVhsv(203, 62%, 94%)
CMYKcmyk(61.9%, 23.8%, 0%, 6.3%)
CIE-LABlab(70.81, -10.35, -36.49)
CIE-LCHlch(70.81, 37.93, 254.16°)
OKLaboklab(74.36% -0.0621 -0.1024)
OKLCHoklch(74.36% 0.12 238.7)
XYZxyz(36.6164, 41.9084, 87.8041)
Luminance0.4191 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB6EF #EF945B
analogous
#5BEFDE #5BB6EF #5B6CEF
triadic
#5BB6EF #EF5BB6 #B6EF5B
tetradic
#5BB6EF #DE5BEF #EF945B #6CEF5B
square
#5BB6EF #DE5BEF #EF945B #6CEF5B
split-complementary
#5BB6EF #EF5B6C #EFDE5B
monochromatic
#127BBD #239DEA #5BB6EF #93CFF4 #CBE8FA

Accessibility & contrast

On white

2.24
#5BB6EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.38
#5BB6EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB6EF
9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB6EF#FFFFFF#000000##000000
##5BB6EF1.002.249.389.38
#FFFFFF2.241.0021.0021.00
#0000009.3821.001.001.00
##0000009.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB6F2
Deuteranopia (green-blind)
#88A7EE
Tritanopia (blue-blind)
#00C4C9
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #5bb6ef;
/* rgb */ color: rgb(91, 182, 239);
/* oklch */ color: oklch(74.4% 0.120 238.7);
Tailwind
colors: {
  custom: {
    50: '#96cbf4',
    500: '#5bb6ef',
    950: '#000000',
  },
}
SCSS
$custom: #5bb6ef;
$custom-light: #96cbf4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb6ef",
  "rgb": {
    "r": 91,
    "g": 182,
    "b": 239
  },
  "hsl": {
    "h": 203.108,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.7436,
    "c": 0.11979,
    "h": 238.7
  },
  "luminance": 0.41912
}

Semantic roles & 50–950 ramp

primary
#5BB6EF
secondary
#ECCDBA
accent
#5A07DF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #5BB6EF

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB6EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva