#64C5EB#64C5EB

#64C5EB is a light, moderate cyan. Relative luminance 0.486; OKLCH L 77.9% C 0.106 H 226.2°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#64C5EB
RGB	rgb(100, 197, 235)
HSL	hsl(197, 77%, 66%)
HSV	hsv(197, 57%, 92%)
CMYK	cmyk(57.4%, 16.2%, 0%, 7.8%)
CIE-LAB	lab(75.22, -17.86, -27.48)
CIE-LCH	lch(75.22, 32.77, 236.99°)
OKLab	oklab(77.91% -0.0733 -0.0765)
OKLCH	oklch(77.91% 0.106 226.2)
XYZ	xyz(40.2114, 48.6362, 85.8498)
Luminance	0.4864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5EB #EB8A64

analogous

#64EBCD #64C5EB #6481EB

triadic

#64C5EB #EB64C5 #C5EB64

tetradic

#64C5EB #CD64EB #EB8A64 #81EB64

square

#64C5EB #CD64EB #EB8A64 #81EB64

split-complementary

#64C5EB #EB6481 #EBCD64

monochromatic

#188EBC #2EB1E4 #64C5EB #9AD9F2 #D0EEF9

Accessibility & contrast

On white

1.96

#64C5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#64C5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5EB

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5EB	#FFFFFF	#000000	##000000
##64C5EB	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C1ED

Deuteranopia (green-blind)

#9DB3EB

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c5eb;
/* rgb */ color: rgb(100, 197, 235);
/* oklch */ color: oklch(77.9% 0.106 226.2);

Tailwind

colors: {
  custom: {
    50: '#9bd6f1',
    500: '#64c5eb',
    950: '#000000',
  },
}

SCSS

$custom: #64c5eb;
$custom-light: #9bd6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5eb",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 235
  },
  "hsl": {
    "h": 196.889,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.77911,
    "c": 0.10593,
    "h": 226.2
  },
  "luminance": 0.4864
}

Semantic roles & 50–950 ramp

primary

#64C5EB

secondary

#ECCCBF

accent

#460CD9

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C5EB

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

Preview Lab → · Contrast checker → · Palette generator →