#5BB2EF#5BB2EF

#5BB2EF is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.5% C 0.122 H 241.6°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX#5BB2EF
RGBrgb(91, 178, 239)
HSLhsl(205, 82%, 65%)
HSVhsv(205, 62%, 94%)
CMYKcmyk(61.9%, 25.5%, 0%, 6.3%)
CIE-LABlab(69.68, -8.18, -38.25)
CIE-LCHlch(69.68, 39.11, 257.93°)
OKLaboklab(73.47% -0.058 -0.1075)
OKLCHoklch(73.47% 0.122 241.6)
XYZxyz(35.8089, 40.2934, 87.5349)
Luminance0.4030 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB2EF #EF985B
analogous
#5BEFE2 #5BB2EF #5B68EF
triadic
#5BB2EF #EF5BB2 #B2EF5B
tetradic
#5BB2EF #E25BEF #EF985B #68EF5B
square
#5BB2EF #E25BEF #EF985B #68EF5B
split-complementary
#5BB2EF #EF5B68 #EFE25B
monochromatic
#1277BD #2398EA #5BB2EF #93CCF4 #CBE6FA

Accessibility & contrast

On white

2.32
#5BB2EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.06
#5BB2EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB2EF
9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB2EF#FFFFFF#000000##000000
##5BB2EF1.002.329.069.06
#FFFFFF2.321.0021.0021.00
#0000009.0621.001.001.00
##0000009.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#97B2F2
Deuteranopia (green-blind)
#82A4EE
Tritanopia (blue-blind)
#00C1C7
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #5bb2ef;
/* rgb */ color: rgb(91, 178, 239);
/* oklch */ color: oklch(73.5% 0.122 241.6);
Tailwind
colors: {
  custom: {
    50: '#96c8f4',
    500: '#5bb2ef',
    950: '#000000',
  },
}
SCSS
$custom: #5bb2ef;
$custom-light: #96c8f4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb2ef",
  "rgb": {
    "r": 91,
    "g": 178,
    "b": 239
  },
  "hsl": {
    "h": 204.73,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.73466,
    "c": 0.12217,
    "h": 241.6
  },
  "luminance": 0.40297
}

Semantic roles & 50–950 ramp

primary
#5BB2EF
secondary
#ECCEBA
accent
#6007DF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #5BB2EF

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB2EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva