#64C4EA#64C4EA

#64C4EA is a light, moderate cyan. Relative luminance 0.481; OKLCH L 77.6% C 0.105 H 226.5°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#64C4EA
RGB	rgb(100, 196, 234)
HSL	hsl(197, 76%, 65%)
HSV	hsv(197, 57%, 92%)
CMYK	cmyk(57.3%, 16.2%, 0%, 8.2%)
CIE-LAB	lab(74.90, -17.63, -27.43)
CIE-LCH	lch(74.90, 32.61, 237.27°)
OKLab	oklab(77.64% -0.0726 -0.0764)
OKLCH	oklch(77.64% 0.105 226.5)
XYZ	xyz(39.8410, 48.1259, 85.0156)
Luminance	0.4813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C4EA #EA8A64

analogous

#64EACD #64C4EA #6481EA

triadic

#64C4EA #EA64C4 #C4EA64

tetradic

#64C4EA #CD64EA #EA8A64 #81EA64

square

#64C4EA #CD64EA #EA8A64 #81EA64

split-complementary

#64C4EA #EA6481 #EACD64

monochromatic

#198DBA #2EAFE3 #64C4EA #9AD9F1 #D0EDF9

Accessibility & contrast

On white

1.98

#64C4EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#64C4EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4EA

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C4EA	#FFFFFF	#000000	##000000
##64C4EA	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C1EC

Deuteranopia (green-blind)

#9CB2EA

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c4ea;
/* rgb */ color: rgb(100, 196, 234);
/* oklch */ color: oklch(77.6% 0.105 226.5);

Tailwind

colors: {
  custom: {
    50: '#9bd6f0',
    500: '#64c4ea',
    950: '#000000',
  },
}

SCSS

$custom: #64c4ea;
$custom-light: #9bd6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64c4ea",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 234
  },
  "hsl": {
    "h": 197.015,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.77644,
    "c": 0.10536,
    "h": 226.5
  },
  "luminance": 0.4813
}

Semantic roles & 50–950 ramp

primary

#64C4EA

secondary

#EBCBBE

accent

#470DD8

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C4EA

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

Preview Lab → · Contrast checker → · Palette generator →