#64A8E9#64A8E9

#64A8E9 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 71.3% C 0.118 H 248.8°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#64A8E9
RGB	rgb(100, 168, 233)
HSL	hsl(209, 75%, 65%)
HSV	hsv(209, 57%, 91%)
CMYK	cmyk(57.1%, 27.9%, 0%, 8.6%)
CIE-LAB	lab(66.97, -2.84, -39.16)
CIE-LCH	lch(66.97, 39.27, 265.86°)
OKLab	oklab(71.34% -0.0428 -0.1101)
OKLCH	oklch(71.34% 0.118 248.8)
XYZ	xyz(33.9608, 36.5948, 82.3488)
Luminance	0.3660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A8E9 #E9A564

analogous

#64E9E7 #64A8E9 #6466E9

triadic

#64A8E9 #E964A8 #A8E964

tetradic

#64A8E9 #E764E9 #E9A564 #66E964

square

#64A8E9 #E764E9 #E9A564 #66E964

split-complementary

#64A8E9 #E96466 #E9E764

monochromatic

#1A6BB8 #2E8AE1 #64A8E9 #9AC6F1 #CFE4F8

Accessibility & contrast

On white

2.52

#64A8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#64A8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A8E9

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A8E9	#FFFFFF	#000000	##000000
##64A8E9	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DAAEC

Deuteranopia (green-blind)

#7B9DE8

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #64a8e9;
/* rgb */ color: rgb(100, 168, 233);
/* oklch */ color: oklch(71.3% 0.118 248.8);

Tailwind

colors: {
  custom: {
    50: '#9ac1f0',
    500: '#64a8e9',
    950: '#000000',
  },
}

SCSS

$custom: #64a8e9;
$custom-light: #9ac1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a8e9",
  "rgb": {
    "r": 100,
    "g": 168,
    "b": 233
  },
  "hsl": {
    "h": 209.323,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.71344,
    "c": 0.11812,
    "h": 248.8
  },
  "luminance": 0.36598
}

Semantic roles & 50–950 ramp

primary

#64A8E9

secondary

#EBD4BE

accent

#700ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A8E9

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

Preview Lab → · Contrast checker → · Palette generator →