#64C5ED#64C5ED

#64C5ED is a light, moderate cyan. Relative luminance 0.488; OKLCH L 78.0% C 0.107 H 227.5°. Best body text is #000000 at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#64C5ED
RGB	rgb(100, 197, 237)
HSL	hsl(198, 79%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(57.8%, 16.9%, 0%, 7.1%)
CIE-LAB	lab(75.30, -17.27, -28.45)
CIE-LCH	lch(75.30, 33.28, 238.75°)
OKLab	oklab(77.99% -0.0726 -0.0792)
OKLCH	oklch(77.99% 0.107 227.5)
XYZ	xyz(40.5019, 48.7524, 87.3801)
Luminance	0.4876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5ED #ED8C64

analogous

#64EDD0 #64C5ED #6480ED

triadic

#64C5ED #ED64C5 #C5ED64

tetradic

#64C5ED #D064ED #ED8C64 #80ED64

square

#64C5ED #D064ED #ED8C64 #80ED64

split-complementary

#64C5ED #ED6480 #EDD064

monochromatic

#168FC0 #2DB0E7 #64C5ED #9BDAF3 #D2EEFA

Accessibility & contrast

On white

1.95

#64C5ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.75

#64C5ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5ED

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5ED	#FFFFFF	#000000	##000000
##64C5ED	1.00	1.95	10.75	10.75
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.75	21.00	1.00	1.00
##000000	10.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C2EF

Deuteranopia (green-blind)

#9CB3ED

Tritanopia (blue-blind)

#00D1D2

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c5ed;
/* rgb */ color: rgb(100, 197, 237);
/* oklch */ color: oklch(78.0% 0.107 227.5);

Tailwind

colors: {
  custom: {
    50: '#9bd6f3',
    500: '#64c5ed',
    950: '#000000',
  },
}

SCSS

$custom: #64c5ed;
$custom-light: #9bd6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5ed",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 237
  },
  "hsl": {
    "h": 197.518,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.77993,
    "c": 0.10745,
    "h": 227.5
  },
  "luminance": 0.48756
}

Semantic roles & 50–950 ramp

primary

#64C5ED

secondary

#EDCDC0

accent

#470ADB

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C5ED

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

Preview Lab → · Contrast checker → · Palette generator →