#64A5E3#64A5E3

#64A5E3 is a light, moderate cyan. Relative luminance 0.352; OKLCH L 70.4% C 0.113 H 248.6°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#64A5E3
RGBrgb(100, 165, 227)
HSLhsl(209, 69%, 64%)
HSVhsv(209, 56%, 89%)
CMYKcmyk(55.9%, 27.3%, 0%, 11%)
CIE-LABlab(65.88, -3.02, -37.58)
CIE-LCHlch(65.88, 37.70, 265.41°)
OKLaboklab(70.4% -0.0413 -0.1055)
OKLCHoklch(70.4% 0.113 248.6)
XYZxyz(32.5708, 35.1629, 77.7288)
Luminance0.3517 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64A5E3 #E3A264
analogous
#64E3E1 #64A5E3 #6466E3
triadic
#64A5E3 #E364A5 #A5E364
tetradic
#64A5E3 #E164E3 #E3A264 #66E364
square
#64A5E3 #E164E3 #E3A264 #66E364
split-complementary
#64A5E3 #E36466 #E3E164
monochromatic
#1F68AD #3087DA #64A5E3 #98C3EC #CCE1F6

Accessibility & contrast

On white

2.61
#64A5E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.03
#64A5E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A5E3
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64A5E3#FFFFFF#000000##000000
##64A5E31.002.618.038.03
#FFFFFF2.611.0021.0021.00
#0000008.0321.001.001.00
##0000008.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA7E6
Deuteranopia (green-blind)
#7A9AE2
Tritanopia (blue-blind)
#00B4BB
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #64a5e3;
/* rgb */ color: rgb(100, 165, 227);
/* oklch */ color: oklch(70.4% 0.113 248.6);
Tailwind
colors: {
  custom: {
    50: '#99bfec',
    500: '#64a5e3',
    950: '#000000',
  },
}
SCSS
$custom: #64a5e3;
$custom-light: #99bfec;
$custom-dark: #000000;
JSON
{
  "hex": "#64a5e3",
  "rgb": {
    "r": 100,
    "g": 165,
    "b": 227
  },
  "hsl": {
    "h": 209.291,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.70397,
    "c": 0.11333,
    "h": 248.6
  },
  "luminance": 0.35166
}

Semantic roles & 50–950 ramp

primary
#64A5E3
secondary
#E8D1BB
accent
#7114D1
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #64A5E3

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

Preview Lab → · Contrast checker → · Palette generator →

#64A5E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva