#64BBE5#64BBE5

#64BBE5 is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.4% C 0.103 H 231.3°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#64BBE5
RGB	rgb(100, 187, 229)
HSL	hsl(200, 71%, 65%)
HSV	hsv(200, 56%, 90%)
CMYK	cmyk(56.3%, 18.3%, 0%, 10.2%)
CIE-LAB	lab(72.16, -14.40, -28.94)
CIE-LCH	lch(72.16, 32.32, 243.54°)
OKLab	oklab(75.4% -0.0647 -0.0806)
OKLCH	oklch(75.4% 0.103 231.3)
XYZ	xyz(37.1633, 43.9037, 80.6293)
Luminance	0.4391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBE5 #E58E64

analogous

#64E5CF #64BBE5 #647BE5

triadic

#64BBE5 #E564BB #BBE564

tetradic

#64BBE5 #CF64E5 #E58E64 #7BE564

square

#64BBE5 #CF64E5 #E58E64 #7BE564

split-complementary

#64BBE5 #E5647B #E5CF64

monochromatic

#1E81B1 #30A4DC #64BBE5 #98D2EE #CDE9F7

Accessibility & contrast

On white

2.15

#64BBE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#64BBE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBE5

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBE5	#FFFFFF	#000000	##000000
##64BBE5	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B9E7

Deuteranopia (green-blind)

#94ABE4

Tritanopia (blue-blind)

#00C7C9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #64bbe5;
/* rgb */ color: rgb(100, 187, 229);
/* oklch */ color: oklch(75.4% 0.103 231.3);

Tailwind

colors: {
  custom: {
    50: '#9acfed',
    500: '#64bbe5',
    950: '#000000',
  },
}

SCSS

$custom: #64bbe5;
$custom-light: #9acfed;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbe5",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 229
  },
  "hsl": {
    "h": 199.535,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.754,
    "c": 0.10338,
    "h": 231.3
  },
  "luminance": 0.43907
}

Semantic roles & 50–950 ramp

primary

#64BBE5

secondary

#E9CBBC

accent

#5112D3

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64BBE5

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

Preview Lab → · Contrast checker → · Palette generator →