#64BFEB#64BFEB

#64BFEB is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.6% C 0.107 H 231.5°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#64BFEB
RGB	rgb(100, 191, 235)
HSL	hsl(200, 77%, 66%)
HSV	hsv(200, 57%, 92%)
CMYK	cmyk(57.4%, 18.7%, 0%, 7.8%)
CIE-LAB	lab(73.52, -14.72, -30.10)
CIE-LCH	lch(73.52, 33.51, 243.93°)
OKLab	oklab(76.56% -0.0669 -0.0839)
OKLCH	oklch(76.56% 0.107 231.5)
XYZ	xyz(38.8760, 45.9654, 85.4046)
Luminance	0.4597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BFEB #EB9064

analogous

#64EBD4 #64BFEB #647BEB

triadic

#64BFEB #EB64BF #BFEB64

tetradic

#64BFEB #D464EB #EB9064 #7BEB64

square

#64BFEB #D464EB #EB9064 #7BEB64

split-complementary

#64BFEB #EB647B #EBD464

monochromatic

#1887BC #2EA9E4 #64BFEB #9AD5F2 #D0ECF9

Accessibility & contrast

On white

2.06

#64BFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#64BFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BFEB

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BFEB	#FFFFFF	#000000	##000000
##64BFEB	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BDED

Deuteranopia (green-blind)

#96AEEA

Tritanopia (blue-blind)

#00CBCD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #64bfeb;
/* rgb */ color: rgb(100, 191, 235);
/* oklch */ color: oklch(76.6% 0.107 231.5);

Tailwind

colors: {
  custom: {
    50: '#9ad2f1',
    500: '#64bfeb',
    950: '#000000',
  },
}

SCSS

$custom: #64bfeb;
$custom-light: #9ad2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64bfeb",
  "rgb": {
    "r": 100,
    "g": 191,
    "b": 235
  },
  "hsl": {
    "h": 199.556,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.76556,
    "c": 0.10733,
    "h": 231.5
  },
  "luminance": 0.45969
}

Semantic roles & 50–950 ramp

primary

#64BFEB

secondary

#ECCEBF

accent

#4F0CD9

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64BFEB

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

Preview Lab → · Contrast checker → · Palette generator →