#64BDE5#64BDE5

#64BDE5 is a light, moderate cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.103 H 229.5°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#64BDE5
RGB	rgb(100, 189, 229)
HSL	hsl(199, 71%, 65%)
HSV	hsv(199, 56%, 90%)
CMYK	cmyk(56.3%, 17.5%, 0%, 10.2%)
CIE-LAB	lab(72.73, -15.45, -28.06)
CIE-LCH	lch(72.73, 32.04, 241.16°)
OKLab	oklab(75.85% -0.0669 -0.0782)
OKLCH	oklch(75.85% 0.103 229.5)
XYZ	xyz(37.5906, 44.7582, 80.7718)
Luminance	0.4476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BDE5 #E58C64

analogous

#64E5CD #64BDE5 #647CE5

triadic

#64BDE5 #E564BD #BDE564

tetradic

#64BDE5 #CD64E5 #E58C64 #7CE564

square

#64BDE5 #CD64E5 #E58C64 #7CE564

split-complementary

#64BDE5 #E5647C #E5CD64

monochromatic

#1E83B1 #30A7DC #64BDE5 #98D3EE #CDEAF7

Accessibility & contrast

On white

2.11

#64BDE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#64BDE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDE5

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BDE5	#FFFFFF	#000000	##000000
##64BDE5	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BAE7

Deuteranopia (green-blind)

#96ACE4

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64bde5;
/* rgb */ color: rgb(100, 189, 229);
/* oklch */ color: oklch(75.9% 0.103 229.5);

Tailwind

colors: {
  custom: {
    50: '#9ad1ed',
    500: '#64bde5',
    950: '#000000',
  },
}

SCSS

$custom: #64bde5;
$custom-light: #9ad1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#64bde5",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 229
  },
  "hsl": {
    "h": 198.605,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.75852,
    "c": 0.10285,
    "h": 229.5
  },
  "luminance": 0.44762
}

Semantic roles & 50–950 ramp

primary

#64BDE5

secondary

#E9CABC

accent

#4E12D3

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64BDE5

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

Preview Lab → · Contrast checker → · Palette generator →