#64A3F4#64A3F4

#64A3F4 is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.8% C 0.136 H 255.4°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#64A3F4
RGB	rgb(100, 163, 244)
HSL	hsl(214, 87%, 67%)
HSV	hsv(214, 59%, 96%)
CMYK	cmyk(59%, 33.2%, 0%, 4.3%)
CIE-LAB	lab(66.08, 3.46, -46.58)
CIE-LCH	lch(66.08, 46.71, 274.25°)
OKLab	oklab(70.81% -0.0344 -0.1317)
OKLCH	oklch(70.81% 0.136 255.4)
XYZ	xyz(34.6760, 35.4323, 90.5821)
Luminance	0.3543 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3F4 #F4B564

analogous

#64EBF4 #64A3F4 #6D64F4

triadic

#64A3F4 #F464A3 #A3F464

tetradic

#64A3F4 #F464EB #F4B564 #64F46D

square

#64A3F4 #F464EB #F4B564 #64F46D

split-complementary

#64A3F4 #F46D64 #EBF464

monochromatic

#0F63CF #2B81F0 #64A3F4 #9DC5F8 #D6E7FC

Accessibility & contrast

On white

2.60

#64A3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#64A3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3F4

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3F4	#FFFFFF	#000000	##000000
##64A3F4	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A8F7

Deuteranopia (green-blind)

#6E9AF2

Tritanopia (blue-blind)

#00B5C0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64a3f4;
/* rgb */ color: rgb(100, 163, 244);
/* oklch */ color: oklch(70.8% 0.136 255.4);

Tailwind

colors: {
  custom: {
    50: '#9bbdf8',
    500: '#64a3f4',
    950: '#000000',
  },
}

SCSS

$custom: #64a3f4;
$custom-light: #9bbdf8;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3f4",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 244
  },
  "hsl": {
    "h": 213.75,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.70811,
    "c": 0.13608,
    "h": 255.4
  },
  "luminance": 0.35435
}

Semantic roles & 50–950 ramp

primary

#64A3F4

secondary

#F0DDC3

accent

#8102E3

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A3F4

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

Preview Lab → · Contrast checker → · Palette generator →