#64C0EB#64C0EB

#64C0EB is a light, moderate cyan. Relative luminance 0.464; OKLCH L 76.8% C 0.107 H 230.6°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#64C0EB
RGB	rgb(100, 192, 235)
HSL	hsl(199, 77%, 66%)
HSV	hsv(199, 57%, 92%)
CMYK	cmyk(57.4%, 18.3%, 0%, 7.8%)
CIE-LAB	lab(73.81, -15.25, -29.66)
CIE-LCH	lch(73.81, 33.35, 242.79°)
OKLab	oklab(76.78% -0.0679 -0.0827)
OKLCH	oklch(76.78% 0.107 230.6)
XYZ	xyz(39.0948, 46.4031, 85.4776)
Luminance	0.4641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C0EB #EB8F64

analogous

#64EBD2 #64C0EB #647CEB

triadic

#64C0EB #EB64C0 #C0EB64

tetradic

#64C0EB #D264EB #EB8F64 #7CEB64

square

#64C0EB #D264EB #EB8F64 #7CEB64

split-complementary

#64C0EB #EB647C #EBD264

monochromatic

#1888BC #2EAAE4 #64C0EB #9AD6F2 #D0ECF9

Accessibility & contrast

On white

2.04

#64C0EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#64C0EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C0EB

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C0EB	#FFFFFF	#000000	##000000
##64C0EB	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABDED

Deuteranopia (green-blind)

#97AFEA

Tritanopia (blue-blind)

#00CCCE

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #64c0eb;
/* rgb */ color: rgb(100, 192, 235);
/* oklch */ color: oklch(76.8% 0.107 230.6);

Tailwind

colors: {
  custom: {
    50: '#9ad3f1',
    500: '#64c0eb',
    950: '#000000',
  },
}

SCSS

$custom: #64c0eb;
$custom-light: #9ad3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64c0eb",
  "rgb": {
    "r": 100,
    "g": 192,
    "b": 235
  },
  "hsl": {
    "h": 199.111,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.76781,
    "c": 0.10704,
    "h": 230.6
  },
  "luminance": 0.46407
}

Semantic roles & 50–950 ramp

primary

#64C0EB

secondary

#ECCDBF

accent

#4E0CD9

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64C0EB

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

Preview Lab → · Contrast checker → · Palette generator →