#5BBFDB#5BBFDB

#5BBFDB is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.6% C 0.101 H 218.9°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX#5BBFDB
RGBrgb(91, 191, 219)
HSLhsl(193, 64%, 61%)
HSVhsv(193, 58%, 86%)
CMYKcmyk(58.4%, 12.8%, 0%, 14.1%)
CIE-LABlab(72.63, -21.16, -22.82)
CIE-LCHlch(72.63, 31.13, 227.16°)
OKLaboklab(75.56% -0.0787 -0.0634)
OKLCHoklch(75.56% 0.101 218.9)
XYZxyz(35.7263, 44.5967, 73.7294)
Luminance0.4460 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBFDB #DB775B
analogous
#5BDBB7 #5BBFDB #5B7FDB
triadic
#5BBFDB #DB5BBF #BFDB5B
tetradic
#5BBFDB #B75BDB #DB775B #7FDB5B
square
#5BBFDB #B75BDB #DB775B #7FDB5B
split-complementary
#5BBFDB #DB5B7F #DBB75B
monochromatic
#22809A #2DA9CC #5BBFDB #8DD3E6 #BFE6F1

Accessibility & contrast

On white

2.12
#5BBFDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.92
#5BBFDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFDB
9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBFDB#FFFFFF#000000##000000
##5BBFDB1.002.129.929.92
#FFFFFF2.121.0021.0021.00
#0000009.9221.001.001.00
##0000009.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADBADD
Deuteranopia (green-blind)
#9AACDB
Tritanopia (blue-blind)
#00C9C8
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #5bbfdb;
/* rgb */ color: rgb(91, 191, 219);
/* oklch */ color: oklch(75.6% 0.101 218.9);
Tailwind
colors: {
  custom: {
    50: '#94d2e6',
    500: '#5bbfdb',
    950: '#000000',
  },
}
SCSS
$custom: #5bbfdb;
$custom-light: #94d2e6;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbfdb",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 219
  },
  "hsl": {
    "h": 193.125,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.75559,
    "c": 0.10105,
    "h": 218.9
  },
  "luminance": 0.446
}

Semantic roles & 50–950 ramp

primary
#5BBFDB
secondary
#E1BBB1
accent
#411ACC
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #5BBFDB

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

Preview Lab → · Contrast checker → · Palette generator →

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