#64B5F9#64B5F9

#64B5F9 is a light, vivid cyan. Relative luminance 0.426; OKLCH L 75.0% C 0.127 H 245.9°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#64B5F9
RGB	rgb(100, 181, 249)
HSL	hsl(207, 93%, 68%)
HSV	hsv(207, 60%, 98%)
CMYK	cmyk(59.8%, 27.3%, 0%, 2.4%)
CIE-LAB	lab(71.28, -5.06, -41.15)
CIE-LCH	lch(71.28, 41.46, 262.99°)
OKLab	oklab(74.96% -0.0517 -0.1158)
OKLCH	oklch(74.96% 0.127 245.9)
XYZ	xyz(38.8720, 42.5930, 95.7769)
Luminance	0.4260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5F9 #F9A864

analogous

#64F9F3 #64B5F9 #646AF9

triadic

#64B5F9 #F964B5 #B5F964

tetradic

#64B5F9 #F364F9 #F9A864 #6AF964

square

#64B5F9 #F364F9 #F9A864 #6AF964

split-complementary

#64B5F9 #F9646A #F9F364

monochromatic

#087ADA #2999F7 #64B5F9 #9FD1FB #DAEDFE

Accessibility & contrast

On white

2.21

#64B5F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#64B5F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5F9

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5F9	#FFFFFF	#000000	##000000
##64B5F9	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B7FC

Deuteranopia (green-blind)

#83A8F8

Tritanopia (blue-blind)

#00C5CD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b5f9;
/* rgb */ color: rgb(100, 181, 249);
/* oklch */ color: oklch(75.0% 0.127 245.9);

Tailwind

colors: {
  custom: {
    50: '#9ccbfb',
    500: '#64b5f9',
    950: '#000000',
  },
}

SCSS

$custom: #64b5f9;
$custom-light: #9ccbfb;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5f9",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 249
  },
  "hsl": {
    "h": 207.383,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74962,
    "c": 0.12682,
    "h": 245.9
  },
  "luminance": 0.42597
}

Semantic roles & 50–950 ramp

primary

#64B5F9

secondary

#F3DAC6

accent

#6900E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B5F9

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

Preview Lab → · Contrast checker → · Palette generator →