#659BB3#659BB3

#659BB3 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.067 H 227.8°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#659BB3
RGBrgb(101, 155, 179)
HSLhsl(198, 34%, 55%)
HSVhsv(198, 44%, 70%)
CMYKcmyk(43.6%, 13.4%, 0%, 29.8%)
CIE-LABlab(61.19, -11.40, -18.07)
CIE-LCHlch(61.19, 21.36, 237.75°)
OKLaboklab(66.08% -0.0451 -0.0499)
OKLCHoklch(66.08% 0.067 227.8)
XYZxyz(25.2220, 29.4623, 46.9968)
Luminance0.2946 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659BB3 #B37D65
analogous
#65B3A4 #659BB3 #6574B3
triadic
#659BB3 #B3659B #9BB365
tetradic
#659BB3 #A465B3 #B37D65 #74B365
square
#659BB3 #A465B3 #B37D65 #74B365
split-complementary
#659BB3 #B36574 #B3A465
monochromatic
#34596A #487C93 #659BB3 #8EB6C7 #B7D0DB

Accessibility & contrast

On white

3.05
#659BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#659BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #659BB3
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659BB3#FFFFFF#000000##000000
##659BB31.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E99B4
Deuteranopia (green-blind)
#8390B3
Tritanopia (blue-blind)
#44A2A3
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #659bb3;
/* rgb */ color: rgb(101, 155, 179);
/* oklch */ color: oklch(66.1% 0.067 227.8);
Tailwind
colors: {
  custom: {
    50: '#95b8c9',
    500: '#659bb3',
    950: '#000000',
  },
}
SCSS
$custom: #659bb3;
$custom-light: #95b8c9;
$custom-dark: #000000;
JSON
{
  "hex": "#659bb3",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 198.462,
    "s": 33.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66082,
    "c": 0.06726,
    "h": 227.8
  },
  "luminance": 0.29464
}

Semantic roles & 50–950 ramp

primary
#659BB3
secondary
#CAB4A9
accent
#7F5ECA
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #659BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#659BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva