#5BBCEF#5BBCEF

#5BBCEF is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.7% C 0.117 H 234.2°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX#5BBCEF
RGBrgb(91, 188, 239)
HSLhsl(201, 82%, 65%)
HSVhsv(201, 62%, 94%)
CMYKcmyk(61.9%, 21.3%, 0%, 6.3%)
CIE-LABlab(72.51, -13.57, -33.85)
CIE-LCHlch(72.51, 36.47, 248.16°)
OKLaboklab(75.71% -0.0683 -0.0948)
OKLCHoklch(75.71% 0.117 234.2)
XYZxyz(37.8716, 44.4188, 88.2225)
Luminance0.4442 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBCEF #EF8E5B
analogous
#5BEFD8 #5BBCEF #5B72EF
triadic
#5BBCEF #EF5BBC #BCEF5B
tetradic
#5BBCEF #D85BEF #EF8E5B #72EF5B
square
#5BBCEF #D85BEF #EF8E5B #72EF5B
split-complementary
#5BBCEF #EF5B72 #EFD85B
monochromatic
#1282BD #23A5EA #5BBCEF #93D3F4 #CBEAFA

Accessibility & contrast

On white

2.12
#5BBCEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.88
#5BBCEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCEF
9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBCEF#FFFFFF#000000##000000
##5BBCEF1.002.129.889.88
#FFFFFF2.121.0021.0021.00
#0000009.8821.001.001.00
##0000009.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3BAF1
Deuteranopia (green-blind)
#8FABEE
Tritanopia (blue-blind)
#00C9CD
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #5bbcef;
/* rgb */ color: rgb(91, 188, 239);
/* oklch */ color: oklch(75.7% 0.117 234.2);
Tailwind
colors: {
  custom: {
    50: '#96d0f4',
    500: '#5bbcef',
    950: '#000000',
  },
}
SCSS
$custom: #5bbcef;
$custom-light: #96d0f4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbcef",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 239
  },
  "hsl": {
    "h": 200.676,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.7571,
    "c": 0.11686,
    "h": 234.2
  },
  "luminance": 0.44423
}

Semantic roles & 50–950 ramp

primary
#5BBCEF
secondary
#ECCBBA
accent
#5107DF
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #5BBCEF

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

Preview Lab → · Contrast checker → · Palette generator →

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