#5BB0ED#5BB0ED

#5BB0ED is a light, vivid cyan. Relative luminance 0.394; OKLCH L 72.9% C 0.121 H 242.2°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#5BB0ED
RGBrgb(91, 176, 237)
HSLhsl(205, 80%, 64%)
HSVhsv(205, 62%, 93%)
CMYKcmyk(61.6%, 25.7%, 0%, 7.1%)
CIE-LABlab(69.03, -7.72, -38.17)
CIE-LCHlch(69.03, 38.94, 258.57°)
OKLaboklab(72.93% -0.0566 -0.1073)
OKLCHoklch(72.93% 0.121 242.2)
XYZxyz(35.1200, 39.3858, 85.8557)
Luminance0.3939 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB0ED #ED985B
analogous
#5BEDE1 #5BB0ED #5B67ED
triadic
#5BB0ED #ED5BB0 #B0ED5B
tetradic
#5BB0ED #E15BED #ED985B #67ED5B
square
#5BB0ED #E15BED #ED985B #67ED5B
split-complementary
#5BB0ED #ED5B67 #EDE15B
monochromatic
#1474B9 #2495E7 #5BB0ED #92CBF3 #C9E5F9

Accessibility & contrast

On white

2.37
#5BB0ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.88
#5BB0ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0ED
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB0ED#FFFFFF#000000##000000
##5BB0ED1.002.378.888.88
#FFFFFF2.371.0021.0021.00
#0000008.8821.001.001.00
##0000008.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#95B1F0
Deuteranopia (green-blind)
#81A2EC
Tritanopia (blue-blind)
#00BFC5
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #5bb0ed;
/* rgb */ color: rgb(91, 176, 237);
/* oklch */ color: oklch(72.9% 0.121 242.2);
Tailwind
colors: {
  custom: {
    50: '#96c7f3',
    500: '#5bb0ed',
    950: '#000000',
  },
}
SCSS
$custom: #5bb0ed;
$custom-light: #96c7f3;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb0ed",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 237
  },
  "hsl": {
    "h": 205.068,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72925,
    "c": 0.1213,
    "h": 242.2
  },
  "luminance": 0.39389
}

Semantic roles & 50–950 ramp

primary
#5BB0ED
secondary
#EBCEB9
accent
#6109DD
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #5BB0ED

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB0ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva