#5BB5EA#5BB5EA

#5BB5EA is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.9% C 0.115 H 237.0°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX#5BB5EA
RGBrgb(91, 181, 234)
HSLhsl(202, 77%, 64%)
HSVhsv(202, 61%, 92%)
CMYKcmyk(61.1%, 22.6%, 0%, 8.2%)
CIE-LABlab(70.32, -11.38, -34.53)
CIE-LCHlch(70.32, 36.35, 251.76°)
OKLaboklab(73.91% -0.0628 -0.0968)
OKLCHoklch(73.91% 0.115 237)
XYZxyz(35.6839, 41.2089, 83.8995)
Luminance0.4121 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB5EA #EA905B
analogous
#5BEAD7 #5BB5EA #5B6DEA
triadic
#5BB5EA #EA5BB5 #B5EA5B
tetradic
#5BB5EA #D75BEA #EA905B #6DEA5B
square
#5BB5EA #D75BEA #EA905B #6DEA5B
split-complementary
#5BB5EA #EA5B6D #EAD75B
monochromatic
#177AB4 #259DE3 #5BB5EA #91CDF1 #C8E6F8

Accessibility & contrast

On white

2.27
#5BB5EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.24
#5BB5EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5EA
9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB5EA#FFFFFF#000000##000000
##5BB5EA1.002.279.249.24
#FFFFFF2.271.0021.0021.00
#0000009.2421.001.001.00
##0000009.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB4ED
Deuteranopia (green-blind)
#89A6E9
Tritanopia (blue-blind)
#00C3C7
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #5bb5ea;
/* rgb */ color: rgb(91, 181, 234);
/* oklch */ color: oklch(73.9% 0.115 237.0);
Tailwind
colors: {
  custom: {
    50: '#96cbf1',
    500: '#5bb5ea',
    950: '#000000',
  },
}
SCSS
$custom: #5bb5ea;
$custom-light: #96cbf1;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb5ea",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 234
  },
  "hsl": {
    "h": 202.238,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73908,
    "c": 0.11534,
    "h": 237
  },
  "luminance": 0.41212
}

Semantic roles & 50–950 ramp

primary
#5BB5EA
secondary
#EACAB7
accent
#580CDA
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB5EA

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB5EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva