#64C5EC#64C5EC

#64C5EC is a light, moderate cyan. Relative luminance 0.487; OKLCH L 78.0% C 0.107 H 226.9°. Best body text is #000000 at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#64C5EC
RGB	rgb(100, 197, 236)
HSL	hsl(197, 78%, 66%)
HSV	hsv(197, 58%, 93%)
CMYK	cmyk(57.6%, 16.5%, 0%, 7.5%)
CIE-LAB	lab(75.26, -17.56, -27.97)
CIE-LCH	lch(75.26, 33.02, 237.87°)
OKLab	oklab(77.95% -0.0729 -0.0779)
OKLCH	oklch(77.95% 0.107 226.9)
XYZ	xyz(40.3562, 48.6941, 86.6128)
Luminance	0.4870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5EC #EC8B64

analogous

#64ECCF #64C5EC #6481EC

triadic

#64C5EC #EC64C5 #C5EC64

tetradic

#64C5EC #CF64EC #EC8B64 #81EC64

square

#64C5EC #CF64EC #EC8B64 #81EC64

split-complementary

#64C5EC #EC6481 #ECCF64

monochromatic

#178EBE #2DB1E5 #64C5EC #9BD9F3 #D1EEF9

Accessibility & contrast

On white

1.96

#64C5EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.74

#64C5EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5EC

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5EC	#FFFFFF	#000000	##000000
##64C5EC	1.00	1.96	10.74	10.74
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.74	21.00	1.00	1.00
##000000	10.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C2EE

Deuteranopia (green-blind)

#9DB3EC

Tritanopia (blue-blind)

#00D0D2

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c5ec;
/* rgb */ color: rgb(100, 197, 236);
/* oklch */ color: oklch(78.0% 0.107 226.9);

Tailwind

colors: {
  custom: {
    50: '#9bd6f2',
    500: '#64c5ec',
    950: '#000000',
  },
}

SCSS

$custom: #64c5ec;
$custom-light: #9bd6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5ec",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 236
  },
  "hsl": {
    "h": 197.206,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.77952,
    "c": 0.10669,
    "h": 226.9
  },
  "luminance": 0.48698
}

Semantic roles & 50–950 ramp

primary

#64C5EC

secondary

#ECCCBF

accent

#470BDA

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C5EC

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

Preview Lab → · Contrast checker → · Palette generator →