#5BB1D1#5BB1D1

#5BB1D1 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 71.9% C 0.095 H 224.8°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX#5BB1D1
RGBrgb(91, 177, 209)
HSLhsl(196, 56%, 59%)
HSVhsv(196, 56%, 82%)
CMYKcmyk(56.5%, 15.3%, 0%, 18%)
CIE-LABlab(68.22, -16.85, -24.09)
CIE-LCHlch(68.22, 29.39, 235.03°)
OKLaboklab(71.92% -0.0673 -0.067)
OKLCHoklch(71.92% 0.095 224.8)
XYZxyz(31.5407, 38.2689, 66.0337)
Luminance0.3827 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB1D1 #D17B5B
analogous
#5BD1B6 #5BB1D1 #5B76D1
triadic
#5BB1D1 #D15BB1 #B1D15B
tetradic
#5BB1D1 #B65BD1 #D17B5B #76D15B
square
#5BB1D1 #B65BD1 #D17B5B #76D15B
split-complementary
#5BB1D1 #D15B76 #D1B65B
monochromatic
#27708B #3496BA #5BB1D1 #8BC8DE #BBDEEC

Accessibility & contrast

On white

2.43
#5BB1D1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.65
#5BB1D1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1D1
8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB1D1#FFFFFF#000000##000000
##5BB1D11.002.438.658.65
#FFFFFF2.431.0021.0021.00
#0000008.6521.001.001.00
##0000008.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FAED3
Deuteranopia (green-blind)
#8EA1D1
Tritanopia (blue-blind)
#00BBBB
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #5bb1d1;
/* rgb */ color: rgb(91, 177, 209);
/* oklch */ color: oklch(71.9% 0.095 224.8);
Tailwind
colors: {
  custom: {
    50: '#93c8df',
    500: '#5bb1d1',
    950: '#000000',
  },
}
SCSS
$custom: #5bb1d1;
$custom-light: #93c8df;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb1d1",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 209
  },
  "hsl": {
    "h": 196.271,
    "s": 56.19,
    "l": 58.824
  },
  "oklch": {
    "l": 0.71918,
    "c": 0.09496,
    "h": 224.8
  },
  "luminance": 0.38272
}

Semantic roles & 50–950 ramp

primary
#5BB1D1
secondary
#DBB9AD
accent
#7148DF
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB1D1

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB1D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva