#64B3F6#64B3F6

#64B3F6 is a light, vivid cyan. Relative luminance 0.416; OKLCH L 74.4% C 0.125 H 246.1°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#64B3F6
RGB	rgb(100, 179, 246)
HSL	hsl(208, 89%, 68%)
HSV	hsv(208, 59%, 96%)
CMYK	cmyk(59.3%, 27.2%, 0%, 3.5%)
CIE-LAB	lab(70.59, -4.89, -40.59)
CIE-LCH	lch(70.59, 40.89, 263.12°)
OKLab	oklab(74.38% -0.0506 -0.1142)
OKLCH	oklch(74.38% 0.125 246.1)
XYZ	xyz(38.0041, 41.5998, 93.1977)
Luminance	0.4160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B3F6 #F6A764

analogous

#64F6F0 #64B3F6 #646AF6

triadic

#64B3F6 #F664B3 #B3F664

tetradic

#64B3F6 #F064F6 #F6A764 #6AF664

square

#64B3F6 #F064F6 #F6A764 #6AF664

split-complementary

#64B3F6 #F6646A #F6F064

monochromatic

#0C78D3 #2A97F3 #64B3F6 #9ECFF9 #D8ECFD

Accessibility & contrast

On white

2.25

#64B3F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#64B3F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3F6

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B3F6	#FFFFFF	#000000	##000000
##64B3F6	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B5F9

Deuteranopia (green-blind)

#82A6F5

Tritanopia (blue-blind)

#00C3CA

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b3f6;
/* rgb */ color: rgb(100, 179, 246);
/* oklch */ color: oklch(74.4% 0.125 246.1);

Tailwind

colors: {
  custom: {
    50: '#9bc9f9',
    500: '#64b3f6',
    950: '#000000',
  },
}

SCSS

$custom: #64b3f6;
$custom-light: #9bc9f9;
$custom-dark: #000000;

JSON

{
  "hex": "#64b3f6",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 246
  },
  "hsl": {
    "h": 207.534,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.74381,
    "c": 0.12488,
    "h": 246.1
  },
  "luminance": 0.41603
}

Semantic roles & 50–950 ramp

primary

#64B3F6

secondary

#F1D9C4

accent

#6900E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B3F6

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

Preview Lab → · Contrast checker → · Palette generator →