#5BB4DC#5BB4DC

#5BB4DC is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.1% C 0.103 H 229.7°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#5BB4DC
RGBrgb(91, 180, 220)
HSLhsl(199, 65%, 61%)
HSVhsv(199, 59%, 86%)
CMYKcmyk(58.6%, 18.2%, 0%, 13.7%)
CIE-LABlab(69.49, -15.14, -28.17)
CIE-LCHlch(69.49, 31.98, 241.75°)
OKLaboklab(73.07% -0.0666 -0.0786)
OKLCHoklch(73.07% 0.103 229.7)
XYZxyz(33.5489, 40.0308, 73.6550)
Luminance0.4003 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB4DC #DC835B
analogous
#5BDCC4 #5BB4DC #5B73DC
triadic
#5BB4DC #DC5BB4 #B4DC5B
tetradic
#5BB4DC #C45BDC #DC835B #73DC5B
square
#5BB4DC #C45BDC #DC835B #73DC5B
split-complementary
#5BB4DC #DC5B73 #DCC45B
monochromatic
#21769B #2C9CCE #5BB4DC #8DCBE7 #C0E2F2

Accessibility & contrast

On white

2.33
#5BB4DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#5BB4DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4DC
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB4DC#FFFFFF#000000##000000
##5BB4DC1.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B1DE
Deuteranopia (green-blind)
#8DA4DB
Tritanopia (blue-blind)
#00BFC1
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #5bb4dc;
/* rgb */ color: rgb(91, 180, 220);
/* oklch */ color: oklch(73.1% 0.103 229.7);
Tailwind
colors: {
  custom: {
    50: '#94cae7',
    500: '#5bb4dc',
    950: '#000000',
  },
}
SCSS
$custom: #5bb4dc;
$custom-light: #94cae7;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb4dc",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 220
  },
  "hsl": {
    "h": 198.605,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.73068,
    "c": 0.10297,
    "h": 229.7
  },
  "luminance": 0.40034
}

Semantic roles & 50–950 ramp

primary
#5BB4DC
secondary
#E2C0B1
accent
#5119CD
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB4DC

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB4DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva