#64BFF9#64BFF9

#64BFF9 is a light, vivid cyan. Relative luminance 0.468; OKLCH L 77.2% C 0.120 H 238.9°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#64BFF9
RGB	rgb(100, 191, 249)
HSL	hsl(203, 93%, 68%)
HSV	hsv(203, 60%, 98%)
CMYK	cmyk(59.8%, 23.3%, 0%, 2.4%)
CIE-LAB	lab(74.07, -10.49, -36.81)
CIE-LCH	lch(74.07, 38.28, 254.10°)
OKLab	oklab(77.17% -0.0621 -0.1032)
OKLCH	oklch(77.17% 0.12 238.9)
XYZ	xyz(40.9788, 46.8066, 96.4792)
Luminance	0.4681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BFF9 #F99E64

analogous

#64F9E9 #64BFF9 #6474F9

triadic

#64BFF9 #F964BF #BFF964

tetradic

#64BFF9 #E964F9 #F99E64 #74F964

square

#64BFF9 #E964F9 #F99E64 #74F964

split-complementary

#64BFF9 #F96474 #F9E964

monochromatic

#0889DA #29A7F7 #64BFF9 #9FD7FB #DAF0FE

Accessibility & contrast

On white

2.03

#64BFF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#64BFF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BFF9

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BFF9	#FFFFFF	#000000	##000000
##64BFF9	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BFFC

Deuteranopia (green-blind)

#90AFF8

Tritanopia (blue-blind)

#00CED3

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #64bff9;
/* rgb */ color: rgb(100, 191, 249);
/* oklch */ color: oklch(77.2% 0.120 238.9);

Tailwind

colors: {
  custom: {
    50: '#9cd2fb',
    500: '#64bff9',
    950: '#000000',
  },
}

SCSS

$custom: #64bff9;
$custom-light: #9cd2fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64bff9",
  "rgb": {
    "r": 100,
    "g": 191,
    "b": 249
  },
  "hsl": {
    "h": 203.356,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.77166,
    "c": 0.12047,
    "h": 238.9
  },
  "luminance": 0.4681
}

Semantic roles & 50–950 ramp

primary

#64BFF9

secondary

#F3D7C6

accent

#5900E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BFF9

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

Preview Lab → · Contrast checker → · Palette generator →