#64BBDF#64BBDF

#64BBDF is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.2% C 0.098 H 227.3°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#64BBDF
RGB	rgb(100, 187, 223)
HSL	hsl(198, 66%, 63%)
HSV	hsv(198, 55%, 87%)
CMYK	cmyk(55.2%, 16.1%, 0%, 12.5%)
CIE-LAB	lab(71.94, -16.17, -26.01)
CIE-LCH	lch(71.94, 30.63, 238.14°)
OKLab	oklab(75.15% -0.0668 -0.0723)
OKLCH	oklch(75.15% 0.098 227.3)
XYZ	xyz(36.3401, 43.5744, 76.2934)
Luminance	0.4358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBDF #DF8864

analogous

#64DFC5 #64BBDF #647DDF

triadic

#64BBDF #DF64BB #BBDF64

tetradic

#64BBDF #C564DF #DF8864 #7DDF64

square

#64BBDF #C564DF #DF8864 #7DDF64

split-complementary

#64BBDF #DF647D #DFC564

monochromatic

#2280A6 #31A5D5 #64BBDF #97D1E9 #C9E8F4

Accessibility & contrast

On white

2.16

#64BBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#64BBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBDF

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBDF	#FFFFFF	#000000	##000000
##64BBDF	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B8E1

Deuteranopia (green-blind)

#96ABDF

Tritanopia (blue-blind)

#00C5C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64bbdf;
/* rgb */ color: rgb(100, 187, 223);
/* oklch */ color: oklch(75.2% 0.098 227.3);

Tailwind

colors: {
  custom: {
    50: '#99cfe9',
    500: '#64bbdf',
    950: '#000000',
  },
}

SCSS

$custom: #64bbdf;
$custom-light: #99cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbdf",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 223
  },
  "hsl": {
    "h": 197.561,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.75151,
    "c": 0.09849,
    "h": 227.3
  },
  "luminance": 0.43578
}

Semantic roles & 50–950 ramp

primary

#64BBDF

secondary

#E5C6B9

accent

#4D18CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64BBDF

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

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