#64D1EB#64D1EB

#64D1EB is a light, moderate cyan. Relative luminance 0.543; OKLCH L 80.6% C 0.106 H 215.7°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#64D1EB
RGB	rgb(100, 209, 235)
HSL	hsl(192, 77%, 66%)
HSV	hsv(192, 57%, 92%)
CMYK	cmyk(57.4%, 11.1%, 0%, 7.8%)
CIE-LAB	lab(78.64, -23.95, -22.27)
CIE-LCH	lch(78.64, 32.71, 222.92°)
OKLab	oklab(80.64% -0.086 -0.0618)
OKLCH	oklch(80.64% 0.106 215.7)
XYZ	xyz(43.0454, 54.3042, 86.7944)
Luminance	0.5431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D1EB #EB7E64

analogous

#64EBC2 #64D1EB #648DEB

triadic

#64D1EB #EB64D1 #D1EB64

tetradic

#64D1EB #C264EB #EB7E64 #8DEB64

square

#64D1EB #C264EB #EB7E64 #8DEB64

split-complementary

#64D1EB #EB648D #EBC264

monochromatic

#189DBC #2EC1E4 #64D1EB #9AE1F2 #D0F1F9

Accessibility & contrast

On white

1.77

#64D1EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#64D1EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D1EB

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D1EB	#FFFFFF	#000000	##000000
##64D1EB	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCBEC

Deuteranopia (green-blind)

#ABBCEB

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #64d1eb;
/* rgb */ color: rgb(100, 209, 235);
/* oklch */ color: oklch(80.6% 0.106 215.7);

Tailwind

colors: {
  custom: {
    50: '#9bdff1',
    500: '#64d1eb',
    950: '#000000',
  },
}

SCSS

$custom: #64d1eb;
$custom-light: #9bdff1;
$custom-dark: #000000;

JSON

{
  "hex": "#64d1eb",
  "rgb": {
    "r": 100,
    "g": 209,
    "b": 235
  },
  "hsl": {
    "h": 191.556,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.80642,
    "c": 0.1059,
    "h": 215.7
  },
  "luminance": 0.54308
}

Semantic roles & 50–950 ramp

primary

#64D1EB

secondary

#BB5138

accent

#340CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #64D1EB

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

Preview Lab → · Contrast checker → · Palette generator →