#64B7E5#64B7E5

#64B7E5 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.5% C 0.105 H 234.8°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#64B7E5
RGBrgb(100, 183, 229)
HSLhsl(201, 71%, 65%)
HSVhsv(201, 56%, 90%)
CMYKcmyk(56.3%, 20.1%, 0%, 10.2%)
CIE-LABlab(71.03, -12.27, -30.68)
CIE-LCHlch(71.03, 33.05, 248.20°)
OKLaboklab(74.5% -0.0603 -0.0856)
OKLCHoklch(74.5% 0.105 234.8)
XYZxyz(36.3266, 42.2301, 80.3504)
Luminance0.4223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B7E5 #E59264
analogous
#64E5D2 #64B7E5 #6477E5
triadic
#64B7E5 #E564B7 #B7E564
tetradic
#64B7E5 #D264E5 #E59264 #77E564
square
#64B7E5 #D264E5 #E59264 #77E564
split-complementary
#64B7E5 #E56477 #E5D264
monochromatic
#1E7CB1 #309FDC #64B7E5 #98CFEE #CDE8F7

Accessibility & contrast

On white

2.22
#64B7E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.45
#64B7E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7E5
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B7E5#FFFFFF#000000##000000
##64B7E51.002.229.459.45
#FFFFFF2.221.0021.0021.00
#0000009.4521.001.001.00
##0000009.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1B5E7
Deuteranopia (green-blind)
#8FA8E4
Tritanopia (blue-blind)
#00C3C6
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #64b7e5;
/* rgb */ color: rgb(100, 183, 229);
/* oklch */ color: oklch(74.5% 0.105 234.8);
Tailwind
colors: {
  custom: {
    50: '#99cced',
    500: '#64b7e5',
    950: '#000000',
  },
}
SCSS
$custom: #64b7e5;
$custom-light: #99cced;
$custom-dark: #000000;
JSON
{
  "hex": "#64b7e5",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 229
  },
  "hsl": {
    "h": 201.395,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.74498,
    "c": 0.10476,
    "h": 234.8
  },
  "luminance": 0.42233
}

Semantic roles & 50–950 ramp

primary
#64B7E5
secondary
#E9CCBC
accent
#5712D3
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #64B7E5

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

Preview Lab → · Contrast checker → · Palette generator →

#64B7E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva