#64C5FD#64C5FD

#64C5FD is a light, vivid cyan. Relative luminance 0.497; OKLCH L 78.7% C 0.121 H 236.5°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#64C5FD
RGB	rgb(100, 197, 253)
HSL	hsl(202, 97%, 69%)
HSV	hsv(202, 60%, 99%)
CMYK	cmyk(60.5%, 22.1%, 0%, 0.8%)
CIE-LAB	lab(75.90, -12.46, -36.11)
CIE-LCH	lch(75.90, 38.20, 250.96°)
OKLab	oklab(78.68% -0.067 -0.1012)
OKLCH	oklch(78.68% 0.121 236.5)
XYZ	xyz(42.9446, 49.7295, 100.2450)
Luminance	0.4973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5FD #FD9C64

analogous

#64FDE9 #64C5FD #6479FD

triadic

#64C5FD #FD64C5 #C5FD64

tetradic

#64C5FD #E964FD #FD9C64 #79FD64

square

#64C5FD #E964FD #FD9C64 #79FD64

split-complementary

#64C5FD #FD6479 #FDE964

monochromatic

#0391E4 #28AEFC #64C5FD #A0DCFE #DDF2FF

Accessibility & contrast

On white

1.92

#64C5FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#64C5FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5FD

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5FD	#FFFFFF	#000000	##000000
##64C5FD	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABC4FF

Deuteranopia (green-blind)

#96B4FC

Tritanopia (blue-blind)

#00D3D8

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #64c5fd;
/* rgb */ color: rgb(100, 197, 253);
/* oklch */ color: oklch(78.7% 0.121 236.5);

Tailwind

colors: {
  custom: {
    50: '#9dd6fe',
    500: '#64c5fd',
    950: '#000000',
  },
}

SCSS

$custom: #64c5fd;
$custom-light: #9dd6fe;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5fd",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 253
  },
  "hsl": {
    "h": 201.961,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.78675,
    "c": 0.12136,
    "h": 236.5
  },
  "luminance": 0.49734
}

Semantic roles & 50–950 ramp

primary

#64C5FD

secondary

#F5D8C8

accent

#5400E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C5FD

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

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