#64C5EA#64C5EA

#64C5EA is a light, moderate cyan. Relative luminance 0.486; OKLCH L 77.9% C 0.105 H 225.6°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#64C5EA
RGB	rgb(100, 197, 234)
HSL	hsl(197, 76%, 65%)
HSV	hsv(197, 57%, 92%)
CMYK	cmyk(57.3%, 15.8%, 0%, 8.2%)
CIE-LAB	lab(75.19, -18.15, -27.00)
CIE-LCH	lch(75.19, 32.53, 236.09°)
OKLab	oklab(77.87% -0.0736 -0.0751)
OKLCH	oklch(77.87% 0.105 225.6)
XYZ	xyz(40.0673, 48.5785, 85.0910)
Luminance	0.4858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5EA #EA8964

analogous

#64EACC #64C5EA #6482EA

triadic

#64C5EA #EA64C5 #C5EA64

tetradic

#64C5EA #CC64EA #EA8964 #82EA64

square

#64C5EA #CC64EA #EA8964 #82EA64

split-complementary

#64C5EA #EA6482 #EACC64

monochromatic

#198EBA #2EB1E3 #64C5EA #9AD9F1 #D0EDF9

Accessibility & contrast

On white

1.96

#64C5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#64C5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5EA

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5EA	#FFFFFF	#000000	##000000
##64C5EA	1.00	1.96	10.72	10.72
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.72	21.00	1.00	1.00
##000000	10.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C1EC

Deuteranopia (green-blind)

#9EB3EA

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c5ea;
/* rgb */ color: rgb(100, 197, 234);
/* oklch */ color: oklch(77.9% 0.105 225.6);

Tailwind

colors: {
  custom: {
    50: '#9bd6f0',
    500: '#64c5ea',
    950: '#000000',
  },
}

SCSS

$custom: #64c5ea;
$custom-light: #9bd6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5ea",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 234
  },
  "hsl": {
    "h": 196.567,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.7787,
    "c": 0.10521,
    "h": 225.6
  },
  "luminance": 0.48582
}

Semantic roles & 50–950 ramp

primary

#64C5EA

secondary

#EBCBBE

accent

#450DD8

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C5EA

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

Preview Lab → · Contrast checker → · Palette generator →