#64C8E9#64C8E9

#64C8E9 is a light, moderate cyan. Relative luminance 0.499; OKLCH L 78.5% C 0.104 H 222.2°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#64C8E9
RGB	rgb(100, 200, 233)
HSL	hsl(195, 75%, 65%)
HSV	hsv(195, 57%, 91%)
CMYK	cmyk(57.1%, 14.2%, 0%, 8.6%)
CIE-LAB	lab(76.01, -19.98, -25.21)
CIE-LCH	lch(76.01, 32.17, 231.60°)
OKLab	oklab(78.51% -0.0772 -0.0701)
OKLCH	oklch(78.51% 0.104 222.2)
XYZ	xyz(40.6120, 49.8972, 84.5659)
Luminance	0.4990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8E9 #E98564

analogous

#64E9C7 #64C8E9 #6486E9

triadic

#64C8E9 #E964C8 #C8E964

tetradic

#64C8E9 #C764E9 #E98564 #86E964

square

#64C8E9 #C764E9 #E98564 #86E964

split-complementary

#64C8E9 #E96486 #E9C764

monochromatic

#1A91B8 #2EB5E1 #64C8E9 #9ADBF1 #CFEEF8

Accessibility & contrast

On white

1.91

#64C8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#64C8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8E9

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8E9	#FFFFFF	#000000	##000000
##64C8E9	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C4EB

Deuteranopia (green-blind)

#A1B5E9

Tritanopia (blue-blind)

#00D2D2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #64c8e9;
/* rgb */ color: rgb(100, 200, 233);
/* oklch */ color: oklch(78.5% 0.104 222.2);

Tailwind

colors: {
  custom: {
    50: '#9bd8f0',
    500: '#64c8e9',
    950: '#000000',
  },
}

SCSS

$custom: #64c8e9;
$custom-light: #9bd8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8e9",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 233
  },
  "hsl": {
    "h": 194.887,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.78512,
    "c": 0.10427,
    "h": 222.2
  },
  "luminance": 0.49901
}

Semantic roles & 50–950 ramp

primary

#64C8E9

secondary

#EBC9BE

accent

#400ED7

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C8E9

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

Preview Lab → · Contrast checker → · Palette generator →