#64A9E9#64A9E9

#64A9E9 is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.6% C 0.117 H 248.1°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#64A9E9
RGB	rgb(100, 169, 233)
HSL	hsl(209, 75%, 65%)
HSV	hsv(209, 57%, 91%)
CMYK	cmyk(57.1%, 27.5%, 0%, 8.6%)
CIE-LAB	lab(67.25, -3.40, -38.73)
CIE-LCH	lch(67.25, 38.88, 264.99°)
OKLab	oklab(71.56% -0.0438 -0.1088)
OKLCH	oklch(71.56% 0.117 248.1)
XYZ	xyz(34.1462, 36.9654, 82.4106)
Luminance	0.3697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A9E9 #E9A464

analogous

#64E9E6 #64A9E9 #6467E9

triadic

#64A9E9 #E964A9 #A9E964

tetradic

#64A9E9 #E664E9 #E9A464 #67E964

square

#64A9E9 #E664E9 #E9A464 #67E964

split-complementary

#64A9E9 #E96467 #E9E664

monochromatic

#1A6CB8 #2E8BE1 #64A9E9 #9AC7F1 #CFE4F8

Accessibility & contrast

On white

2.50

#64A9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#64A9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A9E9

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A9E9	#FFFFFF	#000000	##000000
##64A9E9	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EABEC

Deuteranopia (green-blind)

#7C9EE8

Tritanopia (blue-blind)

#00B8BF

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #64a9e9;
/* rgb */ color: rgb(100, 169, 233);
/* oklch */ color: oklch(71.6% 0.117 248.1);

Tailwind

colors: {
  custom: {
    50: '#9ac2f0',
    500: '#64a9e9',
    950: '#000000',
  },
}

SCSS

$custom: #64a9e9;
$custom-light: #9ac2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a9e9",
  "rgb": {
    "r": 100,
    "g": 169,
    "b": 233
  },
  "hsl": {
    "h": 208.872,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.71564,
    "c": 0.11734,
    "h": 248.1
  },
  "luminance": 0.36968
}

Semantic roles & 50–950 ramp

primary

#64A9E9

secondary

#EBD4BE

accent

#6F0ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A9E9

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

Preview Lab → · Contrast checker → · Palette generator →