#64BDE9#64BDE9

#64BDE9 is a light, moderate cyan. Relative luminance 0.450; OKLCH L 76.0% C 0.106 H 232.0°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#64BDE9
RGB	rgb(100, 189, 233)
HSL	hsl(200, 75%, 65%)
HSV	hsv(200, 57%, 91%)
CMYK	cmyk(57.1%, 18.9%, 0%, 8.6%)
CIE-LAB	lab(72.88, -14.27, -30.00)
CIE-LCH	lch(72.88, 33.22, 244.57°)
OKLab	oklab(76.02% -0.0654 -0.0837)
OKLCH	oklch(76.02% 0.106 232)
XYZ	xyz(38.1555, 44.9842, 83.7470)
Luminance	0.4499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BDE9 #E99064

analogous

#64E9D3 #64BDE9 #647AE9

triadic

#64BDE9 #E964BD #BDE964

tetradic

#64BDE9 #D364E9 #E99064 #7AE964

square

#64BDE9 #D364E9 #E99064 #7AE964

split-complementary

#64BDE9 #E9647A #E9D364

monochromatic

#1A84B8 #2EA6E1 #64BDE9 #9AD4F1 #CFEBF8

Accessibility & contrast

On white

2.10

#64BDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#64BDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDE9

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BDE9	#FFFFFF	#000000	##000000
##64BDE9	1.00	2.10	10.00	10.00
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.00	21.00	1.00	1.00
##000000	10.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BBEB

Deuteranopia (green-blind)

#95ADE8

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #64bde9;
/* rgb */ color: rgb(100, 189, 233);
/* oklch */ color: oklch(76.0% 0.106 232.0);

Tailwind

colors: {
  custom: {
    50: '#9ad0f0',
    500: '#64bde9',
    950: '#000000',
  },
}

SCSS

$custom: #64bde9;
$custom-light: #9ad0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64bde9",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 233
  },
  "hsl": {
    "h": 199.85,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.7602,
    "c": 0.10623,
    "h": 232
  },
  "luminance": 0.44988
}

Semantic roles & 50–950 ramp

primary

#64BDE9

secondary

#EBCDBE

accent

#510ED7

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64BDE9

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

Preview Lab → · Contrast checker → · Palette generator →