#64A9EE#64A9EE

#64A9EE is a light, vivid cyan. Relative luminance 0.373; OKLCH L 71.8% C 0.123 H 249.9°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#64A9EE
RGB	rgb(100, 169, 238)
HSL	hsl(210, 80%, 66%)
HSV	hsv(210, 58%, 93%)
CMYK	cmyk(58%, 29%, 0%, 6.7%)
CIE-LAB	lab(67.47, -1.84, -41.13)
CIE-LCH	lch(67.47, 41.17, 267.44°)
OKLab	oklab(71.81% -0.0424 -0.1158)
OKLCH	oklch(71.81% 0.123 249.9)
XYZ	xyz(34.8705, 37.2552, 86.2257)
Luminance	0.3726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A9EE #EEA964

analogous

#64EEEE #64A9EE #6464EE

triadic

#64A9EE #EE64A9 #A9EE64

tetradic

#64A9EE #EE64EE #EEA964 #64EE64

square

#64A9EE #EE64EE #EEA964 #64EE64

split-complementary

#64A9EE #EE6464 #EEEE64

monochromatic

#156CC2 #2D8AE8 #64A9EE #9BC8F4 #D2E6FA

Accessibility & contrast

On white

2.48

#64A9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#64A9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A9EE

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A9EE	#FFFFFF	#000000	##000000
##64A9EE	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CACF1

Deuteranopia (green-blind)

#7A9EED

Tritanopia (blue-blind)

#00B9C1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #64a9ee;
/* rgb */ color: rgb(100, 169, 238);
/* oklch */ color: oklch(71.8% 0.123 249.9);

Tailwind

colors: {
  custom: {
    50: '#9ac2f4',
    500: '#64a9ee',
    950: '#000000',
  },
}

SCSS

$custom: #64a9ee;
$custom-light: #9ac2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64a9ee",
  "rgb": {
    "r": 100,
    "g": 169,
    "b": 238
  },
  "hsl": {
    "h": 210,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.71806,
    "c": 0.12329,
    "h": 249.9
  },
  "luminance": 0.37258
}

Semantic roles & 50–950 ramp

primary

#64A9EE

secondary

#EDD7C0

accent

#7309DD

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A9EE

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

Preview Lab → · Contrast checker → · Palette generator →