#64BFDF#64BFDF

#64BFDF is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.1% C 0.098 H 223.4°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#64BFDF
RGB	rgb(100, 191, 223)
HSL	hsl(196, 66%, 63%)
HSV	hsv(196, 55%, 87%)
CMYK	cmyk(55.2%, 14.3%, 0%, 12.5%)
CIE-LAB	lab(73.09, -18.25, -24.27)
CIE-LCH	lch(73.09, 30.36, 233.05°)
OKLab	oklab(76.06% -0.0712 -0.0674)
OKLCH	oklch(76.06% 0.098 223.4)
XYZ	xyz(37.2005, 45.2952, 76.5802)
Luminance	0.4530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BFDF #DF8464

analogous

#64DFC1 #64BFDF #6481DF

triadic

#64BFDF #DF64BF #BFDF64

tetradic

#64BFDF #C164DF #DF8464 #81DF64

square

#64BFDF #C164DF #DF8464 #81DF64

split-complementary

#64BFDF #DF6481 #DFC164

monochromatic

#2284A6 #31AAD5 #64BFDF #97D4E9 #C9E9F4

Accessibility & contrast

On white

2.09

#64BFDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#64BFDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BFDF

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BFDF	#FFFFFF	#000000	##000000
##64BFDF	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBBE1

Deuteranopia (green-blind)

#9BAEDF

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #64bfdf;
/* rgb */ color: rgb(100, 191, 223);
/* oklch */ color: oklch(76.1% 0.098 223.4);

Tailwind

colors: {
  custom: {
    50: '#99d2e9',
    500: '#64bfdf',
    950: '#000000',
  },
}

SCSS

$custom: #64bfdf;
$custom-light: #99d2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#64bfdf",
  "rgb": {
    "r": 100,
    "g": 191,
    "b": 223
  },
  "hsl": {
    "h": 195.61,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.76062,
    "c": 0.09805,
    "h": 223.4
  },
  "luminance": 0.45299
}

Semantic roles & 50–950 ramp

primary

#64BFDF

secondary

#E5C5B9

accent

#4718CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #64BFDF

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

Preview Lab → · Contrast checker → · Palette generator →