#5BB0E9#5BB0E9

#5BB0E9 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.7% C 0.117 H 240.4°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX#5BB0E9
RGBrgb(91, 176, 233)
HSLhsl(204, 76%, 64%)
HSVhsv(204, 61%, 91%)
CMYKcmyk(60.9%, 24.5%, 0%, 8.6%)
CIE-LABlab(68.86, -8.98, -36.25)
CIE-LCHlch(68.86, 37.34, 256.09°)
OKLaboklab(72.74% -0.0579 -0.1017)
OKLCHoklch(72.74% 0.117 240.4)
XYZxyz(34.5422, 39.1547, 82.8122)
Luminance0.3916 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB0E9 #E9945B
analogous
#5BE9DB #5BB0E9 #5B69E9
triadic
#5BB0E9 #E95BB0 #B0E95B
tetradic
#5BB0E9 #DB5BE9 #E9945B #69E95B
square
#5BB0E9 #DB5BE9 #E9945B #69E95B
split-complementary
#5BB0E9 #E95B69 #E9DB5B
monochromatic
#1874B2 #2596E2 #5BB0E9 #91CAF0 #C7E4F7

Accessibility & contrast

On white

2.38
#5BB0E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.83
#5BB0E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB0E9
8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB0E9#FFFFFF#000000##000000
##5BB0E91.002.388.838.83
#FFFFFF2.381.0021.0021.00
#0000008.8321.001.001.00
##0000008.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#96B0EC
Deuteranopia (green-blind)
#83A2E8
Tritanopia (blue-blind)
#00BEC3
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #5bb0e9;
/* rgb */ color: rgb(91, 176, 233);
/* oklch */ color: oklch(72.7% 0.117 240.4);
Tailwind
colors: {
  custom: {
    50: '#95c7f0',
    500: '#5bb0e9',
    950: '#000000',
  },
}
SCSS
$custom: #5bb0e9;
$custom-light: #95c7f0;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb0e9",
  "rgb": {
    "r": 91,
    "g": 176,
    "b": 233
  },
  "hsl": {
    "h": 204.085,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.72738,
    "c": 0.11705,
    "h": 240.4
  },
  "luminance": 0.39158
}

Semantic roles & 50–950 ramp

primary
#5BB0E9
secondary
#E9CBB7
accent
#5F0DD9
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB0E9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB0E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva