#64BBDE#64BBDE

#64BBDE is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.098 H 226.6°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#64BBDE
RGB	rgb(100, 187, 222)
HSL	hsl(197, 65%, 63%)
HSV	hsv(197, 55%, 87%)
CMYK	cmyk(55%, 15.8%, 0%, 12.9%)
CIE-LAB	lab(71.91, -16.46, -25.52)
CIE-LCH	lch(71.91, 30.37, 237.19°)
OKLab	oklab(75.11% -0.0672 -0.0709)
OKLCH	oklch(75.11% 0.098 226.6)
XYZ	xyz(36.2056, 43.5206, 75.5854)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBDE #DE8764

analogous

#64DEC4 #64BBDE #647EDE

triadic

#64BBDE #DE64BB #BBDE64

tetradic

#64BBDE #C464DE #DE8764 #7EDE64

square

#64BBDE #C464DE #DE8764 #7EDE64

split-complementary

#64BBDE #DE647E #DEC464

monochromatic

#237FA5 #32A5D3 #64BBDE #96D1E9 #C9E7F3

Accessibility & contrast

On white

2.16

#64BBDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#64BBDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBDE

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBDE	#FFFFFF	#000000	##000000
##64BBDE	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B8E0

Deuteranopia (green-blind)

#97AADE

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64bbde;
/* rgb */ color: rgb(100, 187, 222);
/* oklch */ color: oklch(75.1% 0.098 226.6);

Tailwind

colors: {
  custom: {
    50: '#99cfe8',
    500: '#64bbde',
    950: '#000000',
  },
}

SCSS

$custom: #64bbde;
$custom-light: #99cfe8;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbde",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 222
  },
  "hsl": {
    "h": 197.213,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.7511,
    "c": 0.09772,
    "h": 226.6
  },
  "luminance": 0.43524
}

Semantic roles & 50–950 ramp

primary

#64BBDE

secondary

#E5C6B9

accent

#4C19CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64BBDE

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

Preview Lab → · Contrast checker → · Palette generator →