#64C4EB#64C4EB

#64C4EB is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.7% C 0.106 H 227.1°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#64C4EB
RGB	rgb(100, 196, 235)
HSL	hsl(197, 77%, 66%)
HSV	hsv(197, 57%, 92%)
CMYK	cmyk(57.4%, 16.6%, 0%, 7.8%)
CIE-LAB	lab(74.94, -17.34, -27.92)
CIE-LCH	lch(74.94, 32.86, 238.16°)
OKLab	oklab(77.69% -0.0722 -0.0777)
OKLCH	oklch(77.69% 0.106 227.1)
XYZ	xyz(39.9851, 48.1836, 85.7743)
Luminance	0.4819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C4EB #EB8B64

analogous

#64EBCE #64C4EB #6480EB

triadic

#64C4EB #EB64C4 #C4EB64

tetradic

#64C4EB #CE64EB #EB8B64 #80EB64

square

#64C4EB #CE64EB #EB8B64 #80EB64

split-complementary

#64C4EB #EB6480 #EBCE64

monochromatic

#188DBC #2EAFE4 #64C4EB #9AD9F2 #D0EDF9

Accessibility & contrast

On white

1.97

#64C4EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#64C4EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4EB

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C4EB	#FFFFFF	#000000	##000000
##64C4EB	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC1ED

Deuteranopia (green-blind)

#9CB2EB

Tritanopia (blue-blind)

#00CFD1

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c4eb;
/* rgb */ color: rgb(100, 196, 235);
/* oklch */ color: oklch(77.7% 0.106 227.1);

Tailwind

colors: {
  custom: {
    50: '#9bd6f1',
    500: '#64c4eb',
    950: '#000000',
  },
}

SCSS

$custom: #64c4eb;
$custom-light: #9bd6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64c4eb",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 235
  },
  "hsl": {
    "h": 197.333,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.77685,
    "c": 0.10611,
    "h": 227.1
  },
  "luminance": 0.48187
}

Semantic roles & 50–950 ramp

primary

#64C4EB

secondary

#ECCCBF

accent

#470CD9

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C4EB

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

Preview Lab → · Contrast checker → · Palette generator →