#5BB4D1#5BB4D1

#5BB4D1 is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.6% C 0.095 H 221.8°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#5BB4D1
RGBrgb(91, 180, 209)
HSLhsl(195, 56%, 59%)
HSVhsv(195, 56%, 82%)
CMYKcmyk(56.5%, 13.9%, 0%, 18%)
CIE-LABlab(69.09, -18.42, -22.76)
CIE-LCHlch(69.09, 29.28, 231.01°)
OKLaboklab(72.61% -0.0706 -0.0632)
OKLCHoklch(72.61% 0.095 221.8)
XYZxyz(32.1398, 39.4671, 66.2334)
Luminance0.3947 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB4D1 #D1785B
analogous
#5BD1B3 #5BB4D1 #5B79D1
triadic
#5BB4D1 #D15BB4 #B4D15B
tetradic
#5BB4D1 #B35BD1 #D1785B #79D15B
square
#5BB4D1 #B35BD1 #D1785B #79D15B
split-complementary
#5BB4D1 #D15B79 #D1B35B
monochromatic
#27728B #349ABA #5BB4D1 #8BCADE #BBE0EC

Accessibility & contrast

On white

2.36
#5BB4D1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.89
#5BB4D1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4D1
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB4D1#FFFFFF#000000##000000
##5BB4D11.002.368.898.89
#FFFFFF2.361.0021.0021.00
#0000008.8921.001.001.00
##0000008.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B0D3
Deuteranopia (green-blind)
#92A3D1
Tritanopia (blue-blind)
#00BDBD
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #5bb4d1;
/* rgb */ color: rgb(91, 180, 209);
/* oklch */ color: oklch(72.6% 0.095 221.8);
Tailwind
colors: {
  custom: {
    50: '#93cadf',
    500: '#5bb4d1',
    950: '#000000',
  },
}
SCSS
$custom: #5bb4d1;
$custom-light: #93cadf;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb4d1",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 209
  },
  "hsl": {
    "h": 194.746,
    "s": 56.19,
    "l": 58.824
  },
  "oklch": {
    "l": 0.72613,
    "c": 0.09477,
    "h": 221.8
  },
  "luminance": 0.3947
}

Semantic roles & 50–950 ramp

primary
#5BB4D1
secondary
#DBB8AD
accent
#6D48DF
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB4D1

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB4D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva