#64A9F4#64A9F4

#64A9F4 is a light, vivid cyan. Relative luminance 0.376; OKLCH L 72.1% C 0.131 H 251.9°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#64A9F4
RGB	rgb(100, 169, 244)
HSL	hsl(211, 87%, 67%)
HSV	hsv(211, 59%, 96%)
CMYK	cmyk(59%, 30.7%, 0%, 4.3%)
CIE-LAB	lab(67.73, 0.05, -43.98)
CIE-LCH	lch(67.73, 43.98, 270.07°)
OKLab	oklab(72.1% -0.0407 -0.1241)
OKLCH	oklch(72.1% 0.131 251.9)
XYZ	xyz(35.7667, 37.6137, 90.9457)
Luminance	0.3762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A9F4 #F4AF64

analogous

#64F1F4 #64A9F4 #6764F4

triadic

#64A9F4 #F464A9 #A9F464

tetradic

#64A9F4 #F464F1 #F4AF64 #64F467

square

#64A9F4 #F464F1 #F4AF64 #64F467

split-complementary

#64A9F4 #F46764 #F1F464

monochromatic

#0F6BCF #2B89F0 #64A9F4 #9DC9F8 #D6E8FC

Accessibility & contrast

On white

2.46

#64A9F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#64A9F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A9F4

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A9F4	#FFFFFF	#000000	##000000
##64A9F4	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89ADF7

Deuteranopia (green-blind)

#769FF2

Tritanopia (blue-blind)

#00BAC4

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #64a9f4;
/* rgb */ color: rgb(100, 169, 244);
/* oklch */ color: oklch(72.1% 0.131 251.9);

Tailwind

colors: {
  custom: {
    50: '#9bc2f8',
    500: '#64a9f4',
    950: '#000000',
  },
}

SCSS

$custom: #64a9f4;
$custom-light: #9bc2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#64a9f4",
  "rgb": {
    "r": 100,
    "g": 169,
    "b": 244
  },
  "hsl": {
    "h": 211.25,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.72103,
    "c": 0.13056,
    "h": 251.9
  },
  "luminance": 0.37617
}

Semantic roles & 50–950 ramp

primary

#64A9F4

secondary

#F0DBC3

accent

#7702E3

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A9F4

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

Preview Lab → · Contrast checker → · Palette generator →