#64C9EA#64C9EA

#64C9EA is a light, moderate cyan. Relative luminance 0.504; OKLCH L 78.8% C 0.105 H 222.0°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#64C9EA
RGB	rgb(100, 201, 234)
HSL	hsl(195, 76%, 65%)
HSV	hsv(195, 57%, 92%)
CMYK	cmyk(57.3%, 14.1%, 0%, 8.2%)
CIE-LAB	lab(76.33, -20.20, -25.26)
CIE-LCH	lch(76.33, 32.34, 231.35°)
OKLab	oklab(78.78% -0.0779 -0.0702)
OKLCH	oklch(78.78% 0.105 222)
XYZ	xyz(40.9876, 50.4192, 85.3978)
Luminance	0.5042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C9EA #EA8564

analogous

#64EAC8 #64C9EA #6486EA

triadic

#64C9EA #EA64C9 #C9EA64

tetradic

#64C9EA #C864EA #EA8564 #86EA64

square

#64C9EA #C864EA #EA8564 #86EA64

split-complementary

#64C9EA #EA6486 #EAC864

monochromatic

#1993BA #2EB6E3 #64C9EA #9ADCF1 #D0EFF9

Accessibility & contrast

On white

1.89

#64C9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#64C9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C9EA

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C9EA	#FFFFFF	#000000	##000000
##64C9EA	1.00	1.89	11.08	11.08
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C5EC

Deuteranopia (green-blind)

#A2B6EA

Tritanopia (blue-blind)

#00D4D3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #64c9ea;
/* rgb */ color: rgb(100, 201, 234);
/* oklch */ color: oklch(78.8% 0.105 222.0);

Tailwind

colors: {
  custom: {
    50: '#9bd9f0',
    500: '#64c9ea',
    950: '#000000',
  },
}

SCSS

$custom: #64c9ea;
$custom-light: #9bd9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64c9ea",
  "rgb": {
    "r": 100,
    "g": 201,
    "b": 234
  },
  "hsl": {
    "h": 194.776,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.78779,
    "c": 0.10487,
    "h": 222
  },
  "luminance": 0.50423
}

Semantic roles & 50–950 ramp

primary

#64C9EA

secondary

#BA5839

accent

#3F0DD8

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1416

muted

#808385

Preview Lab

Preview with #64C9EA

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

Preview Lab → · Contrast checker → · Palette generator →