#64BBF4#64BBF4

#64BBF4 is a light, moderate cyan. Relative luminance 0.448; OKLCH L 76.1% C 0.118 H 239.5°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#64BBF4
RGB	rgb(100, 187, 244)
HSL	hsl(204, 87%, 67%)
HSV	hsv(204, 59%, 96%)
CMYK	cmyk(59%, 23.4%, 0%, 4.3%)
CIE-LAB	lab(72.75, -9.87, -36.16)
CIE-LCH	lch(72.75, 37.49, 254.73°)
OKLab	oklab(76.05% -0.0596 -0.1013)
OKLCH	oklch(76.05% 0.118 239.5)
XYZ	xyz(39.3489, 44.7779, 92.1398)
Luminance	0.4478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBF4 #F49D64

analogous

#64F4E5 #64BBF4 #6473F4

triadic

#64BBF4 #F464BB #BBF464

tetradic

#64BBF4 #E564F4 #F49D64 #73F464

square

#64BBF4 #E564F4 #F49D64 #73F464

split-complementary

#64BBF4 #F46473 #F4E564

monochromatic

#0F83CF #2BA2F0 #64BBF4 #9DD4F8 #D6EDFC

Accessibility & contrast

On white

2.11

#64BBF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#64BBF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBF4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBF4	#FFFFFF	#000000	##000000
##64BBF4	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BBF7

Deuteranopia (green-blind)

#8DACF3

Tritanopia (blue-blind)

#00C9CE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64bbf4;
/* rgb */ color: rgb(100, 187, 244);
/* oklch */ color: oklch(76.1% 0.118 239.5);

Tailwind

colors: {
  custom: {
    50: '#9bcff8',
    500: '#64bbf4',
    950: '#000000',
  },
}

SCSS

$custom: #64bbf4;
$custom-light: #9bcff8;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbf4",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 244
  },
  "hsl": {
    "h": 203.75,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.76054,
    "c": 0.11757,
    "h": 239.5
  },
  "luminance": 0.44782
}

Semantic roles & 50–950 ramp

primary

#64BBF4

secondary

#F0D5C3

accent

#5B02E3

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64BBF4

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

Preview Lab → · Contrast checker → · Palette generator →