#64C8F0#64C8F0

#64C8F0 is a light, moderate cyan. Relative luminance 0.503; OKLCH L 78.8% C 0.109 H 226.9°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#64C8F0
RGB	rgb(100, 200, 240)
HSL	hsl(197, 82%, 67%)
HSV	hsv(197, 58%, 94%)
CMYK	cmyk(58.3%, 16.7%, 0%, 5.9%)
CIE-LAB	lab(76.26, -17.93, -28.59)
CIE-LCH	lch(76.26, 33.75, 237.90°)
OKLab	oklab(78.79% -0.0747 -0.0796)
OKLCH	oklch(78.79% 0.109 226.9)
XYZ	xyz(41.6319, 50.3051, 89.9371)
Luminance	0.5031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8F0 #F08C64

analogous

#64F0D2 #64C8F0 #6482F0

triadic

#64C8F0 #F064C8 #C8F064

tetradic

#64C8F0 #D264F0 #F08C64 #82F064

square

#64C8F0 #D264F0 #F08C64 #82F064

split-complementary

#64C8F0 #F06482 #F0D264

monochromatic

#1393C6 #2CB4EB #64C8F0 #9CDCF5 #D4F0FB

Accessibility & contrast

On white

1.90

#64C8F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#64C8F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8F0

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8F0	#FFFFFF	#000000	##000000
##64C8F0	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C5F2

Deuteranopia (green-blind)

#9FB6F0

Tritanopia (blue-blind)

#00D4D5

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #64c8f0;
/* rgb */ color: rgb(100, 200, 240);
/* oklch */ color: oklch(78.8% 0.109 226.9);

Tailwind

colors: {
  custom: {
    50: '#9bd8f5',
    500: '#64c8f0',
    950: '#000000',
  },
}

SCSS

$custom: #64c8f0;
$custom-light: #9bd8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8f0",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 240
  },
  "hsl": {
    "h": 197.143,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.78794,
    "c": 0.10917,
    "h": 226.9
  },
  "luminance": 0.50309
}

Semantic roles & 50–950 ramp

primary

#64C8F0

secondary

#C45D35

accent

#4407DF

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #64C8F0

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

Preview Lab → · Contrast checker → · Palette generator →