#64C8EE#64C8EE

#64C8EE is a light, moderate cyan. Relative luminance 0.502; OKLCH L 78.7% C 0.108 H 225.6°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#64C8EE
RGB	rgb(100, 200, 238)
HSL	hsl(197, 80%, 66%)
HSV	hsv(197, 58%, 93%)
CMYK	cmyk(58%, 16%, 0%, 6.7%)
CIE-LAB	lab(76.18, -18.52, -27.63)
CIE-LCH	lch(76.18, 33.26, 236.16°)
OKLab	oklab(78.71% -0.0754 -0.0769)
OKLCH	oklch(78.71% 0.108 225.6)
XYZ	xyz(41.3364, 50.1870, 88.3810)
Luminance	0.5019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8EE #EE8A64

analogous

#64EECF #64C8EE #6483EE

triadic

#64C8EE #EE64C8 #C8EE64

tetradic

#64C8EE #CF64EE #EE8A64 #83EE64

square

#64C8EE #CF64EE #EE8A64 #83EE64

split-complementary

#64C8EE #EE6483 #EECF64

monochromatic

#1593C2 #2DB4E8 #64C8EE #9BDCF4 #D2EFFA

Accessibility & contrast

On white

1.90

#64C8EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#64C8EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8EE

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8EE	#FFFFFF	#000000	##000000
##64C8EE	1.00	1.90	11.04	11.04
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.04	21.00	1.00	1.00
##000000	11.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4F0

Deuteranopia (green-blind)

#9FB5EE

Tritanopia (blue-blind)

#00D3D4

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #64c8ee;
/* rgb */ color: rgb(100, 200, 238);
/* oklch */ color: oklch(78.7% 0.108 225.6);

Tailwind

colors: {
  custom: {
    50: '#9bd8f3',
    500: '#64c8ee',
    950: '#000000',
  },
}

SCSS

$custom: #64c8ee;
$custom-light: #9bd8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8ee",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 238
  },
  "hsl": {
    "h": 196.522,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.78712,
    "c": 0.10769,
    "h": 225.6
  },
  "luminance": 0.50191
}

Semantic roles & 50–950 ramp

primary

#64C8EE

secondary

#C05C36

accent

#4309DD

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #64C8EE

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

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