#64C0EF#64C0EF

#64C0EF is a light, moderate cyan. Relative luminance 0.466; OKLCH L 77.0% C 0.111 H 233.0°. Best body text is #000000 at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#64C0EF
RGB	rgb(100, 192, 239)
HSL	hsl(200, 81%, 66%)
HSV	hsv(200, 58%, 94%)
CMYK	cmyk(58.2%, 19.7%, 0%, 6.3%)
CIE-LAB	lab(73.96, -14.05, -31.59)
CIE-LCH	lch(73.96, 34.58, 246.01°)
OKLab	oklab(76.95% -0.0665 -0.0882)
OKLCH	oklch(76.95% 0.111 233)
XYZ	xyz(39.6792, 46.6368, 88.5554)
Luminance	0.4664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C0EF #EF9364

analogous

#64EFD9 #64C0EF #647BEF

triadic

#64C0EF #EF64C0 #C0EF64

tetradic

#64C0EF #D964EF #EF9364 #7BEF64

square

#64C0EF #D964EF #EF9364 #7BEF64

split-complementary

#64C0EF #EF647B #EFD964

monochromatic

#1489C4 #2DA9E9 #64C0EF #9BD7F5 #D3EDFA

Accessibility & contrast

On white

2.03

#64C0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.33

#64C0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C0EF

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C0EF	#FFFFFF	#000000	##000000
##64C0EF	1.00	2.03	10.33	10.33
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.33	21.00	1.00	1.00
##000000	10.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BEF1

Deuteranopia (green-blind)

#96AFEE

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #64c0ef;
/* rgb */ color: rgb(100, 192, 239);
/* oklch */ color: oklch(77.0% 0.111 233.0);

Tailwind

colors: {
  custom: {
    50: '#9bd3f4',
    500: '#64c0ef',
    950: '#000000',
  },
}

SCSS

$custom: #64c0ef;
$custom-light: #9bd3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64c0ef",
  "rgb": {
    "r": 100,
    "g": 192,
    "b": 239
  },
  "hsl": {
    "h": 200.288,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76951,
    "c": 0.11051,
    "h": 233
  },
  "luminance": 0.46641
}

Semantic roles & 50–950 ramp

primary

#64C0EF

secondary

#EED0C1

accent

#5008DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64C0EF

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

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