#659CB3#659CB3

#659CB3 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.3% C 0.067 H 226.3°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#659CB3
RGBrgb(101, 156, 179)
HSLhsl(198, 34%, 55%)
HSVhsv(198, 44%, 70%)
CMYKcmyk(43.6%, 12.8%, 0%, 29.8%)
CIE-LABlab(61.48, -11.95, -17.62)
CIE-LCHlch(61.48, 21.29, 235.87°)
OKLaboklab(66.31% -0.0464 -0.0486)
OKLCHoklch(66.31% 0.067 226.3)
XYZxyz(25.3891, 29.7965, 47.0525)
Luminance0.2980 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659CB3 #B37C65
analogous
#65B3A3 #659CB3 #6575B3
triadic
#659CB3 #B3659C #9CB365
tetradic
#659CB3 #A365B3 #B37C65 #75B365
square
#659CB3 #A365B3 #B37C65 #75B365
split-complementary
#659CB3 #B36575 #B3A365
monochromatic
#345A6A #487D93 #659CB3 #8EB6C7 #B7D1DB

Accessibility & contrast

On white

3.02
#659CB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#659CB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #659CB3
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659CB3#FFFFFF#000000##000000
##659CB31.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#909AB4
Deuteranopia (green-blind)
#8491B3
Tritanopia (blue-blind)
#44A3A3
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #659cb3;
/* rgb */ color: rgb(101, 156, 179);
/* oklch */ color: oklch(66.3% 0.067 226.3);
Tailwind
colors: {
  custom: {
    50: '#95b9c9',
    500: '#659cb3',
    950: '#000000',
  },
}
SCSS
$custom: #659cb3;
$custom-light: #95b9c9;
$custom-dark: #000000;
JSON
{
  "hex": "#659cb3",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 197.692,
    "s": 33.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66313,
    "c": 0.0672,
    "h": 226.3
  },
  "luminance": 0.29798
}

Semantic roles & 50–950 ramp

primary
#659CB3
secondary
#CAB3A9
accent
#7E5ECA
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #659CB3

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

Preview Lab → · Contrast checker → · Palette generator →

#659CB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva