#64B2E5#64B2E5

#64B2E5 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.4% C 0.107 H 239.2°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX#64B2E5
RGBrgb(100, 178, 229)
HSLhsl(204, 71%, 65%)
HSVhsv(204, 56%, 90%)
CMYKcmyk(56.3%, 22.3%, 0%, 10.2%)
CIE-LABlab(69.61, -9.58, -32.87)
CIE-LCHlch(69.61, 34.24, 253.75°)
OKLaboklab(73.38% -0.0549 -0.0919)
OKLCHoklch(73.38% 0.107 239.2)
XYZxyz(35.3135, 40.2041, 80.0127)
Luminance0.4021 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B2E5 #E59764
analogous
#64E5D8 #64B2E5 #6472E5
triadic
#64B2E5 #E564B2 #B2E564
tetradic
#64B2E5 #D864E5 #E59764 #72E564
square
#64B2E5 #D864E5 #E59764 #72E564
split-complementary
#64B2E5 #E56472 #E5D864
monochromatic
#1E77B1 #3098DC #64B2E5 #98CCEE #CDE6F7

Accessibility & contrast

On white

2.32
#64B2E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.04
#64B2E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2E5
9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B2E5#FFFFFF#000000##000000
##64B2E51.002.329.049.04
#FFFFFF2.321.0021.0021.00
#0000009.0421.001.001.00
##0000009.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BB1E7
Deuteranopia (green-blind)
#89A4E4
Tritanopia (blue-blind)
#00BFC3
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #64b2e5;
/* rgb */ color: rgb(100, 178, 229);
/* oklch */ color: oklch(73.4% 0.107 239.2);
Tailwind
colors: {
  custom: {
    50: '#99c9ed',
    500: '#64b2e5',
    950: '#000000',
  },
}
SCSS
$custom: #64b2e5;
$custom-light: #99c9ed;
$custom-dark: #000000;
JSON
{
  "hex": "#64b2e5",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 229
  },
  "hsl": {
    "h": 203.721,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.73376,
    "c": 0.10706,
    "h": 239.2
  },
  "luminance": 0.40207
}

Semantic roles & 50–950 ramp

primary
#64B2E5
secondary
#E9CEBC
accent
#5F12D3
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #64B2E5

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

Preview Lab → · Contrast checker → · Palette generator →

#64B2E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva