#64A5BB#64A5BB

#64A5BB is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.7% C 0.074 H 221.7°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#64A5BB
RGBrgb(100, 165, 187)
HSLhsl(195, 39%, 56%)
HSVhsv(195, 47%, 73%)
CMYKcmyk(46.5%, 11.8%, 0%, 26.7%)
CIE-LABlab(64.33, -14.83, -17.79)
CIE-LCHlch(64.33, 23.16, 230.19°)
OKLaboklab(68.66% -0.0551 -0.0491)
OKLCHoklch(68.66% 0.074 221.7)
XYZxyz(27.6770, 33.2053, 51.9549)
Luminance0.3321 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64A5BB #BB7A64
analogous
#64BBA6 #64A5BB #647ABB
triadic
#64A5BB #BB64A5 #A5BB64
tetradic
#64A5BB #A664BB #BB7A64 #7ABB64
square
#64A5BB #A664BB #BB7A64 #7ABB64
split-complementary
#64A5BB #BB647A #BBA664
monochromatic
#326272 #45879D #64A5BB #8FBECE #B9D6E0

Accessibility & contrast

On white

2.75
#64A5BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.64
#64A5BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A5BB
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64A5BB#FFFFFF#000000##000000
##64A5BB1.002.757.647.64
#FFFFFF2.751.0021.0021.00
#0000007.6421.001.001.00
##0000007.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A2BC
Deuteranopia (green-blind)
#8B98BB
Tritanopia (blue-blind)
#3AACAC
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #64a5bb;
/* rgb */ color: rgb(100, 165, 187);
/* oklch */ color: oklch(68.7% 0.074 221.7);
Tailwind
colors: {
  custom: {
    50: '#95bfcf',
    500: '#64a5bb',
    950: '#000000',
  },
}
SCSS
$custom: #64a5bb;
$custom-light: #95bfcf;
$custom-dark: #000000;
JSON
{
  "hex": "#64a5bb",
  "rgb": {
    "r": 100,
    "g": 165,
    "b": 187
  },
  "hsl": {
    "h": 195.172,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.68659,
    "c": 0.07385,
    "h": 221.7
  },
  "luminance": 0.33207
}

Semantic roles & 50–950 ramp

primary
#64A5BB
secondary
#CFB5AB
accent
#7759CF
background
#F9FBFC
surface
#F2F7F9
border
#CCD0D2
text
#0E1213
muted
#7E8182

Preview Lab

Preview with #64A5BB

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

Preview Lab → · Contrast checker → · Palette generator →

#64A5BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva