#64BDCF#64BDCF

#64BDCF is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.0% C 0.089 H 212.4°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#64BDCF
RGB	rgb(100, 189, 207)
HSL	hsl(190, 53%, 60%)
HSV	hsv(190, 52%, 81%)
CMYK	cmyk(51.7%, 8.7%, 0%, 18.8%)
CIE-LAB	lab(71.96, -21.76, -17.26)
CIE-LCH	lch(71.96, 27.78, 218.42°)
OKLab	oklab(74.99% -0.0751 -0.0477)
OKLCH	oklch(74.99% 0.089 212.4)
XYZ	xyz(34.7112, 43.6064, 65.6071)
Luminance	0.4361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BDCF #CF7664

analogous

#64CFAB #64BDCF #6488CF

triadic

#64BDCF #CF64BD #BDCF64

tetradic

#64BDCF #AB64CF #CF7664 #88CF64

square

#64BDCF #AB64CF #CF7664 #88CF64

split-complementary

#64BDCF #CF6488 #CFAB64

monochromatic

#2C7D8D #3AA6BC #64BDCF #93D1DD #C1E5EC

Accessibility & contrast

On white

2.16

#64BDCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#64BDCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDCF

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BDCF	#FFFFFF	#000000	##000000
##64BDCF	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)

#AFB8D0

Deuteranopia (green-blind)

#9EABCF

Tritanopia (blue-blind)

#18C5C2

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64bdcf;
/* rgb */ color: rgb(100, 189, 207);
/* oklch */ color: oklch(75.0% 0.089 212.4);

Tailwind

colors: {
  custom: {
    50: '#98d1dd',
    500: '#64bdcf',
    950: '#000000',
  },
}

SCSS

$custom: #64bdcf;
$custom-light: #98d1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#64bdcf",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 207
  },
  "hsl": {
    "h": 190.093,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74985,
    "c": 0.08901,
    "h": 212.4
  },
  "luminance": 0.4361
}

Semantic roles & 50–950 ramp

primary

#64BDCF

secondary

#DCBAB3

accent

#3F25C0

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #64BDCF

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

Preview Lab → · Contrast checker → · Palette generator →