#64A8E5#64A8E5

#64A8E5 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 71.2% C 0.113 H 247.2°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX#64A8E5
RGBrgb(100, 168, 229)
HSLhsl(208, 71%, 65%)
HSVhsv(208, 56%, 90%)
CMYKcmyk(56.3%, 26.6%, 0%, 10.2%)
CIE-LABlab(66.80, -4.08, -37.24)
CIE-LCHlch(66.80, 37.46, 263.75°)
OKLaboklab(71.15% -0.044 -0.1045)
OKLCHoklch(71.15% 0.113 247.2)
XYZxyz(33.3959, 36.3688, 79.3735)
Luminance0.3637 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64A8E5 #E5A164
analogous
#64E5E2 #64A8E5 #6468E5
triadic
#64A8E5 #E564A8 #A8E564
tetradic
#64A8E5 #E264E5 #E5A164 #68E564
square
#64A8E5 #E264E5 #E5A164 #68E564
split-complementary
#64A8E5 #E56468 #E5E264
monochromatic
#1E6BB1 #308BDC #64A8E5 #98C5EE #CDE3F7

Accessibility & contrast

On white

2.54
#64A8E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.27
#64A8E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A8E5
8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64A8E5#FFFFFF#000000##000000
##64A8E51.002.548.278.27
#FFFFFF2.541.0021.0021.00
#0000008.2721.001.001.00
##0000008.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8EAAE8
Deuteranopia (green-blind)
#7D9DE4
Tritanopia (blue-blind)
#00B6BD
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #64a8e5;
/* rgb */ color: rgb(100, 168, 229);
/* oklch */ color: oklch(71.2% 0.113 247.2);
Tailwind
colors: {
  custom: {
    50: '#99c1ed',
    500: '#64a8e5',
    950: '#000000',
  },
}
SCSS
$custom: #64a8e5;
$custom-light: #99c1ed;
$custom-dark: #000000;
JSON
{
  "hex": "#64a8e5",
  "rgb": {
    "r": 100,
    "g": 168,
    "b": 229
  },
  "hsl": {
    "h": 208.372,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.71153,
    "c": 0.11342,
    "h": 247.2
  },
  "luminance": 0.36372
}

Semantic roles & 50–950 ramp

primary
#64A8E5
secondary
#E9D1BC
accent
#6E12D3
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #64A8E5

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

Preview Lab → · Contrast checker → · Palette generator →

#64A8E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva