#5BBBEA#5BBBEA

#5BBBEA is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.3% C 0.113 H 232.3°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX#5BBBEA
RGBrgb(91, 187, 234)
HSLhsl(200, 77%, 64%)
HSVhsv(200, 61%, 92%)
CMYKcmyk(61.1%, 20.1%, 0%, 8.2%)
CIE-LABlab(72.03, -14.58, -31.89)
CIE-LCHlch(72.03, 35.06, 245.43°)
OKLaboklab(75.27% -0.069 -0.0892)
OKLCHoklch(75.27% 0.113 232.3)
XYZxyz(36.9303, 43.7016, 84.3150)
Luminance0.4370 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBBEA #EA8A5B
analogous
#5BEAD1 #5BBBEA #5B73EA
triadic
#5BBBEA #EA5BBB #BBEA5B
tetradic
#5BBBEA #D15BEA #EA8A5B #73EA5B
square
#5BBBEA #D15BEA #EA8A5B #73EA5B
split-complementary
#5BBBEA #EA5B73 #EAD15B
monochromatic
#1780B4 #25A5E3 #5BBBEA #91D1F1 #C8E8F8

Accessibility & contrast

On white

2.16
#5BBBEA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.74
#5BBBEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBEA
9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBBEA#FFFFFF#000000##000000
##5BBBEA1.002.169.749.74
#FFFFFF2.161.0021.0021.00
#0000009.7421.001.001.00
##0000009.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4B9EC
Deuteranopia (green-blind)
#90AAE9
Tritanopia (blue-blind)
#00C8CB
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #5bbbea;
/* rgb */ color: rgb(91, 187, 234);
/* oklch */ color: oklch(75.3% 0.113 232.3);
Tailwind
colors: {
  custom: {
    50: '#96cff1',
    500: '#5bbbea',
    950: '#000000',
  },
}
SCSS
$custom: #5bbbea;
$custom-light: #96cff1;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbbea",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 234
  },
  "hsl": {
    "h": 199.72,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.75265,
    "c": 0.11275,
    "h": 232.3
  },
  "luminance": 0.43705
}

Semantic roles & 50–950 ramp

primary
#5BBBEA
secondary
#EAC8B7
accent
#500CDA
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BBBEA

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

Preview Lab → · Contrast checker → · Palette generator →

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