#5BBFEE#5BBFEE

#5BBFEE is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.115 H 231.3°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX#5BBFEE
RGBrgb(91, 191, 238)
HSLhsl(199, 81%, 65%)
HSVhsv(199, 62%, 93%)
CMYKcmyk(61.8%, 19.7%, 0%, 6.7%)
CIE-LABlab(73.32, -15.46, -32.06)
CIE-LCHlch(73.32, 35.59, 244.25°)
OKLaboklab(76.34% -0.0718 -0.0896)
OKLCHoklch(76.34% 0.115 231.3)
XYZxyz(38.3718, 45.6549, 87.6624)
Luminance0.4566 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBFEE #EE8A5B
analogous
#5BEED4 #5BBFEE #5B76EE
triadic
#5BBFEE #EE5BBF #BFEE5B
tetradic
#5BBFEE #D45BEE #EE8A5B #76EE5B
square
#5BBFEE #D45BEE #EE8A5B #76EE5B
split-complementary
#5BBFEE #EE5B76 #EED45B
monochromatic
#1386BB #24A9E8 #5BBFEE #92D5F4 #CAEAF9

Accessibility & contrast

On white

2.07
#5BBFEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.13
#5BBFEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFEE
10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBFEE#FFFFFF#000000##000000
##5BBFEE1.002.0710.1310.13
#FFFFFF2.071.0021.0021.00
#00000010.1321.001.001.00
##00000010.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8BDF0
Deuteranopia (green-blind)
#93ADED
Tritanopia (blue-blind)
#00CCCE
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #5bbfee;
/* rgb */ color: rgb(91, 191, 238);
/* oklch */ color: oklch(76.3% 0.115 231.3);
Tailwind
colors: {
  custom: {
    50: '#96d2f3',
    500: '#5bbfee',
    950: '#000000',
  },
}
SCSS
$custom: #5bbfee;
$custom-light: #96d2f3;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbfee",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 238
  },
  "hsl": {
    "h": 199.184,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.76344,
    "c": 0.11483,
    "h": 231.3
  },
  "luminance": 0.45659
}

Semantic roles & 50–950 ramp

primary
#5BBFEE
secondary
#ECC9B9
accent
#4C08DE
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #5BBFEE

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

Preview Lab → · Contrast checker → · Palette generator →

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