#5BB7DD#5BB7DD

#5BB7DD is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.8% C 0.103 H 227.7°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#5BB7DD
RGBrgb(91, 183, 221)
HSLhsl(198, 66%, 61%)
HSVhsv(198, 59%, 87%)
CMYKcmyk(58.8%, 17.2%, 0%, 13.3%)
CIE-LABlab(70.39, -16.42, -27.33)
CIE-LCHlch(70.39, 31.89, 239.00°)
OKLaboklab(73.8% -0.0694 -0.0762)
OKLCHoklch(73.8% 0.103 227.7)
XYZxyz(34.2940, 41.3083, 74.5586)
Luminance0.4131 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB7DD #DD815B
analogous
#5BDDC2 #5BB7DD #5B76DD
triadic
#5BB7DD #DD5BB7 #B7DD5B
tetradic
#5BB7DD #C25BDD #DD815B #76DD5B
square
#5BB7DD #C25BDD #DD815B #76DD5B
split-complementary
#5BB7DD #DD5B76 #DDC25B
monochromatic
#21799D #2BA0D0 #5BB7DD #8ECDE8 #C0E4F2

Accessibility & contrast

On white

2.27
#5BB7DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#5BB7DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB7DD
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB7DD#FFFFFF#000000##000000
##5BB7DD1.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B4DF
Deuteranopia (green-blind)
#91A6DD
Tritanopia (blue-blind)
#00C2C3
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #5bb7dd;
/* rgb */ color: rgb(91, 183, 221);
/* oklch */ color: oklch(73.8% 0.103 227.7);
Tailwind
colors: {
  custom: {
    50: '#94cce7',
    500: '#5bb7dd',
    950: '#000000',
  },
}
SCSS
$custom: #5bb7dd;
$custom-light: #94cce7;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb7dd",
  "rgb": {
    "r": 91,
    "g": 183,
    "b": 221
  },
  "hsl": {
    "h": 197.538,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.73797,
    "c": 0.10305,
    "h": 227.7
  },
  "luminance": 0.41312
}

Semantic roles & 50–950 ramp

primary
#5BB7DD
secondary
#E2C0B1
accent
#4D18CE
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB7DD

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB7DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva