#5BBFEF#5BBFEF

#5BBFEF is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.4% C 0.116 H 231.9°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#5BBFEF
RGBrgb(91, 191, 239)
HSLhsl(199, 82%, 65%)
HSVhsv(199, 62%, 94%)
CMYKcmyk(61.9%, 20.1%, 0%, 6.3%)
CIE-LABlab(73.36, -15.16, -32.54)
CIE-LCHlch(73.36, 35.89, 245.02°)
OKLaboklab(76.39% -0.0714 -0.091)
OKLCHoklch(76.39% 0.116 231.9)
XYZxyz(38.5191, 45.7139, 88.4383)
Luminance0.4572 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBFEF #EF8B5B
analogous
#5BEFD5 #5BBFEF #5B75EF
triadic
#5BBFEF #EF5BBF #BFEF5B
tetradic
#5BBFEF #D55BEF #EF8B5B #75EF5B
square
#5BBFEF #D55BEF #EF8B5B #75EF5B
split-complementary
#5BBFEF #EF5B75 #EFD55B
monochromatic
#1286BD #23A9EA #5BBFEF #93D5F4 #CBEBFA

Accessibility & contrast

On white

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

On black

10.14
#5BBFEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFEF
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBFEF#FFFFFF#000000##000000
##5BBFEF1.002.0710.1410.14
#FFFFFF2.071.0021.0021.00
#00000010.1421.001.001.00
##00000010.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7BDF1
Deuteranopia (green-blind)
#93AEEE
Tritanopia (blue-blind)
#00CCCF
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #5bbfef;
/* rgb */ color: rgb(91, 191, 239);
/* oklch */ color: oklch(76.4% 0.116 231.9);
Tailwind
colors: {
  custom: {
    50: '#97d2f4',
    500: '#5bbfef',
    950: '#000000',
  },
}
SCSS
$custom: #5bbfef;
$custom-light: #97d2f4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbfef",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 239
  },
  "hsl": {
    "h": 199.459,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.76388,
    "c": 0.11568,
    "h": 231.9
  },
  "luminance": 0.45718
}

Semantic roles & 50–950 ramp

primary
#5BBFEF
secondary
#ECCABA
accent
#4D07DF
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #5BBFEF

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

Preview Lab → · Contrast checker → · Palette generator →

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