#64BBDD#64BBDD

#64BBDD is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.097 H 225.8°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#64BBDD
RGB	rgb(100, 187, 221)
HSL	hsl(197, 64%, 63%)
HSV	hsv(197, 55%, 87%)
CMYK	cmyk(54.8%, 15.4%, 0%, 13.3%)
CIE-LAB	lab(71.87, -16.75, -25.04)
CIE-LCH	lch(71.87, 30.12, 236.22°)
OKLab	oklab(75.07% -0.0676 -0.0696)
OKLCH	oklch(75.07% 0.097 225.8)
XYZ	xyz(36.0720, 43.4672, 74.8817)
Luminance	0.4347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBDD #DD8664

analogous

#64DDC3 #64BBDD #647EDD

triadic

#64BBDD #DD64BB #BBDD64

tetradic

#64BBDD #C364DD #DD8664 #7EDD64

square

#64BBDD #C364DD #DD8664 #7EDD64

split-complementary

#64BBDD #DD647E #DDC364

monochromatic

#247FA3 #32A5D2 #64BBDD #96D1E8 #C8E7F3

Accessibility & contrast

On white

2.17

#64BBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#64BBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBDD

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBDD	#FFFFFF	#000000	##000000
##64BBDD	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B8DF

Deuteranopia (green-blind)

#97AADD

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64bbdd;
/* rgb */ color: rgb(100, 187, 221);
/* oklch */ color: oklch(75.1% 0.097 225.8);

Tailwind

colors: {
  custom: {
    50: '#99cfe7',
    500: '#64bbdd',
    950: '#000000',
  },
}

SCSS

$custom: #64bbdd;
$custom-light: #99cfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbdd",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 221
  },
  "hsl": {
    "h": 196.86,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75069,
    "c": 0.09698,
    "h": 225.8
  },
  "luminance": 0.4347
}

Semantic roles & 50–950 ramp

primary

#64BBDD

secondary

#E4C5B9

accent

#4C1ACC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64BBDD

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

Preview Lab → · Contrast checker → · Palette generator →