#659BB4#659BB4

#659BB4 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.068 H 228.9°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#659BB4
RGBrgb(101, 155, 180)
HSLhsl(199, 34%, 55%)
HSVhsv(199, 44%, 71%)
CMYKcmyk(43.9%, 13.9%, 0%, 29.4%)
CIE-LABlab(61.22, -11.12, -18.57)
CIE-LCHlch(61.22, 21.65, 239.09°)
OKLaboklab(66.12% -0.0448 -0.0513)
OKLCHoklch(66.12% 0.068 228.9)
XYZxyz(25.3235, 29.5029, 47.5314)
Luminance0.2950 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659BB4 #B47E65
analogous
#65B4A5 #659BB4 #6574B4
triadic
#659BB4 #B4659B #9BB465
tetradic
#659BB4 #A565B4 #B47E65 #74B465
square
#659BB4 #A565B4 #B47E65 #74B465
split-complementary
#659BB4 #B46574 #B4A565
monochromatic
#34596B #487C94 #659BB4 #8EB6C8 #B7D0DC

Accessibility & contrast

On white

3.04
#659BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.90
#659BB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #659BB4
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659BB4#FFFFFF#000000##000000
##659BB41.003.046.906.90
#FFFFFF3.041.0021.0021.00
#0000006.9021.001.001.00
##0000006.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E99B5
Deuteranopia (green-blind)
#8390B4
Tritanopia (blue-blind)
#43A2A3
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #659bb4;
/* rgb */ color: rgb(101, 155, 180);
/* oklch */ color: oklch(66.1% 0.068 228.9);
Tailwind
colors: {
  custom: {
    50: '#95b8ca',
    500: '#659bb4',
    950: '#000000',
  },
}
SCSS
$custom: #659bb4;
$custom-light: #95b8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#659bb4",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 180
  },
  "hsl": {
    "h": 198.987,
    "s": 34.498,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66122,
    "c": 0.06808,
    "h": 228.9
  },
  "luminance": 0.29505
}

Semantic roles & 50–950 ramp

primary
#659BB4
secondary
#CBB4AA
accent
#805DCB
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #659BB4

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

Preview Lab → · Contrast checker → · Palette generator →

#659BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva