#64C3F0#64C3F0

#64C3F0 is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.7% C 0.110 H 231.1°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#64C3F0
RGB	rgb(100, 195, 240)
HSL	hsl(199, 82%, 67%)
HSV	hsv(199, 58%, 94%)
CMYK	cmyk(58.3%, 18.8%, 0%, 5.9%)
CIE-LAB	lab(74.84, -15.33, -30.76)
CIE-LCH	lch(74.84, 34.37, 243.51°)
OKLab	oklab(77.67% -0.0694 -0.0858)
OKLCH	oklch(77.67% 0.11 231.1)
XYZ	xyz(40.4928, 48.0270, 89.5574)
Luminance	0.4803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C3F0 #F09164

analogous

#64F0D7 #64C3F0 #647DF0

triadic

#64C3F0 #F064C3 #C3F064

tetradic

#64C3F0 #D764F0 #F09164 #7DF064

square

#64C3F0 #D764F0 #F09164 #7DF064

split-complementary

#64C3F0 #F0647D #F0D764

monochromatic

#138DC6 #2CADEB #64C3F0 #9CD9F5 #D4EEFB

Accessibility & contrast

On white

1.98

#64C3F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#64C3F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C3F0

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C3F0	#FFFFFF	#000000	##000000
##64C3F0	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC0F2

Deuteranopia (green-blind)

#99B2EF

Tritanopia (blue-blind)

#00CFD2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c3f0;
/* rgb */ color: rgb(100, 195, 240);
/* oklch */ color: oklch(77.7% 0.110 231.1);

Tailwind

colors: {
  custom: {
    50: '#9bd5f5',
    500: '#64c3f0',
    950: '#000000',
  },
}

SCSS

$custom: #64c3f0;
$custom-light: #9bd5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#64c3f0",
  "rgb": {
    "r": 100,
    "g": 195,
    "b": 240
  },
  "hsl": {
    "h": 199.286,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.77667,
    "c": 0.11038,
    "h": 231.1
  },
  "luminance": 0.48031
}

Semantic roles & 50–950 ramp

primary

#64C3F0

secondary

#EED0C1

accent

#4C07DF

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C3F0

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

Preview Lab → · Contrast checker → · Palette generator →