#64D3EB#64D3EB

#64D3EB is a light, moderate cyan. Relative luminance 0.553; OKLCH L 81.1% C 0.106 H 214.0°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#64D3EB
RGB	rgb(100, 211, 235)
HSL	hsl(191, 77%, 66%)
HSV	hsv(191, 57%, 92%)
CMYK	cmyk(57.4%, 10.2%, 0%, 7.8%)
CIE-LAB	lab(79.21, -24.95, -21.41)
CIE-LCH	lch(79.21, 32.87, 220.63°)
OKLab	oklab(81.1% -0.0881 -0.0593)
OKLCH	oklch(81.1% 0.106 214)
XYZ	xyz(43.5392, 55.2918, 86.9590)
Luminance	0.5530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D3EB #EB7C64

analogous

#64EBC0 #64D3EB #648FEB

triadic

#64D3EB #EB64D3 #D3EB64

tetradic

#64D3EB #C064EB #EB7C64 #8FEB64

square

#64D3EB #C064EB #EB7C64 #8FEB64

split-complementary

#64D3EB #EB648F #EBC064

monochromatic

#189FBC #2EC4E4 #64D3EB #9AE2F2 #D0F2F9

Accessibility & contrast

On white

1.74

#64D3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#64D3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D3EB

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D3EB	#FFFFFF	#000000	##000000
##64D3EB	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CDEC

Deuteranopia (green-blind)

#ADBEEB

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #64d3eb;
/* rgb */ color: rgb(100, 211, 235);
/* oklch */ color: oklch(81.1% 0.106 214.0);

Tailwind

colors: {
  custom: {
    50: '#9ce0f1',
    500: '#64d3eb',
    950: '#000000',
  },
}

SCSS

$custom: #64d3eb;
$custom-light: #9ce0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64d3eb",
  "rgb": {
    "r": 100,
    "g": 211,
    "b": 235
  },
  "hsl": {
    "h": 190.667,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.81099,
    "c": 0.10624,
    "h": 214
  },
  "luminance": 0.55296
}

Semantic roles & 50–950 ramp

primary

#64D3EB

secondary

#BB4F38

accent

#310CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #64D3EB

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

Preview Lab → · Contrast checker → · Palette generator →