#64BCDD#64BCDD

#64BCDD is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.3% C 0.097 H 224.9°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#64BCDD
RGB	rgb(100, 188, 221)
HSL	hsl(196, 64%, 63%)
HSV	hsv(196, 55%, 87%)
CMYK	cmyk(54.8%, 14.9%, 0%, 13.3%)
CIE-LAB	lab(72.16, -17.27, -24.60)
CIE-LCH	lch(72.16, 30.06, 234.93°)
OKLab	oklab(75.3% -0.0687 -0.0683)
OKLCH	oklch(75.3% 0.097 224.9)
XYZ	xyz(36.2849, 43.8929, 74.9526)
Luminance	0.4390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCDD #DD8564

analogous

#64DDC2 #64BCDD #647FDD

triadic

#64BCDD #DD64BC #BCDD64

tetradic

#64BCDD #C264DD #DD8564 #7FDD64

square

#64BCDD #C264DD #DD8564 #7FDD64

split-complementary

#64BCDD #DD647F #DDC264

monochromatic

#2480A3 #32A6D2 #64BCDD #96D2E8 #C8E7F3

Accessibility & contrast

On white

2.15

#64BCDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#64BCDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCDD

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCDD	#FFFFFF	#000000	##000000
##64BCDD	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)

#AAB8DF

Deuteranopia (green-blind)

#98ABDD

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #64bcdd;
/* rgb */ color: rgb(100, 188, 221);
/* oklch */ color: oklch(75.3% 0.097 224.9);

Tailwind

colors: {
  custom: {
    50: '#99d0e7',
    500: '#64bcdd',
    950: '#000000',
  },
}

SCSS

$custom: #64bcdd;
$custom-light: #99d0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#64bcdd",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 221
  },
  "hsl": {
    "h": 196.364,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75298,
    "c": 0.09687,
    "h": 224.9
  },
  "luminance": 0.43896
}

Semantic roles & 50–950 ramp

primary

#64BCDD

secondary

#E4C4B9

accent

#4A1ACC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #64BCDD

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

Preview Lab → · Contrast checker → · Palette generator →