#64C1EB#64C1EB

#64C1EB is a light, moderate cyan. Relative luminance 0.468; OKLCH L 77.0% C 0.107 H 229.7°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#64C1EB
RGB	rgb(100, 193, 235)
HSL	hsl(199, 77%, 66%)
HSV	hsv(199, 57%, 92%)
CMYK	cmyk(57.4%, 17.9%, 0%, 7.8%)
CIE-LAB	lab(74.09, -15.77, -29.22)
CIE-LCH	lch(74.09, 33.21, 241.64°)
OKLab	oklab(77.01% -0.069 -0.0815)
OKLCH	oklch(77.01% 0.107 229.7)
XYZ	xyz(39.3151, 46.8437, 85.5510)
Luminance	0.4685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C1EB #EB8E64

analogous

#64EBD2 #64C1EB #647DEB

triadic

#64C1EB #EB64C1 #C1EB64

tetradic

#64C1EB #D264EB #EB8E64 #7DEB64

square

#64C1EB #D264EB #EB8E64 #7DEB64

split-complementary

#64C1EB #EB647D #EBD264

monochromatic

#1889BC #2EABE4 #64C1EB #9AD7F2 #D0ECF9

Accessibility & contrast

On white

2.03

#64C1EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#64C1EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C1EB

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C1EB	#FFFFFF	#000000	##000000
##64C1EB	1.00	2.03	10.37	10.37
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBEED

Deuteranopia (green-blind)

#99B0EA

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #64c1eb;
/* rgb */ color: rgb(100, 193, 235);
/* oklch */ color: oklch(77.0% 0.107 229.7);

Tailwind

colors: {
  custom: {
    50: '#9bd3f1',
    500: '#64c1eb',
    950: '#000000',
  },
}

SCSS

$custom: #64c1eb;
$custom-light: #9bd3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64c1eb",
  "rgb": {
    "r": 100,
    "g": 193,
    "b": 235
  },
  "hsl": {
    "h": 198.667,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.77007,
    "c": 0.10678,
    "h": 229.7
  },
  "luminance": 0.46847
}

Semantic roles & 50–950 ramp

primary

#64C1EB

secondary

#ECCDBF

accent

#4C0CD9

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #64C1EB

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

Preview Lab → · Contrast checker → · Palette generator →