#64A4E9#64A4E9

#64A4E9 is a light, vivid cyan. Relative luminance 0.351; OKLCH L 70.5% C 0.121 H 251.6°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#64A4E9
RGB	rgb(100, 164, 233)
HSL	hsl(211, 75%, 65%)
HSV	hsv(211, 57%, 91%)
CMYK	cmyk(57.1%, 29.6%, 0%, 8.6%)
CIE-LAB	lab(65.86, -0.59, -40.91)
CIE-LCH	lch(65.86, 40.91, 269.18°)
OKLab	oklab(70.47% -0.0384 -0.1152)
OKLCH	oklch(70.47% 0.121 251.6)
XYZ	xyz(33.2337, 35.1406, 82.1064)
Luminance	0.3514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A4E9 #E9A964

analogous

#64E6E9 #64A4E9 #6764E9

triadic

#64A4E9 #E964A4 #A4E964

tetradic

#64A4E9 #E964E6 #E9A964 #64E967

square

#64A4E9 #E964E6 #E9A964 #64E967

split-complementary

#64A4E9 #E96764 #E6E964

monochromatic

#1A66B8 #2E85E1 #64A4E9 #9AC3F1 #CFE3F8

Accessibility & contrast

On white

2.62

#64A4E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#64A4E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A4E9

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A4E9	#FFFFFF	#000000	##000000
##64A4E9	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A7EC

Deuteranopia (green-blind)

#769AE8

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #64a4e9;
/* rgb */ color: rgb(100, 164, 233);
/* oklch */ color: oklch(70.5% 0.121 251.6);

Tailwind

colors: {
  custom: {
    50: '#99bef0',
    500: '#64a4e9',
    950: '#000000',
  },
}

SCSS

$custom: #64a4e9;
$custom-light: #99bef0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a4e9",
  "rgb": {
    "r": 100,
    "g": 164,
    "b": 233
  },
  "hsl": {
    "h": 211.128,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.70469,
    "c": 0.12142,
    "h": 251.6
  },
  "luminance": 0.35143
}

Semantic roles & 50–950 ramp

primary

#64A4E9

secondary

#EBD5BE

accent

#770ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A4E9

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

Preview Lab → · Contrast checker → · Palette generator →