#64B5F5#64B5F5

#64B5F5 is a light, vivid cyan. Relative luminance 0.423; OKLCH L 74.8% C 0.122 H 244.3°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#64B5F5
RGB	rgb(100, 181, 245)
HSL	hsl(206, 88%, 68%)
HSV	hsv(206, 59%, 96%)
CMYK	cmyk(59.2%, 26.1%, 0%, 3.9%)
CIE-LAB	lab(71.11, -6.31, -39.25)
CIE-LCH	lch(71.11, 39.75, 260.87°)
OKLab	oklab(74.77% -0.053 -0.1103)
OKLCH	oklch(74.77% 0.122 244.3)
XYZ	xyz(38.2547, 42.3461, 92.5261)
Luminance	0.4235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5F5 #F5A464

analogous

#64F5ED #64B5F5 #646CF5

triadic

#64B5F5 #F564B5 #B5F564

tetradic

#64B5F5 #ED64F5 #F5A464 #6CF564

square

#64B5F5 #ED64F5 #F5A464 #6CF564

split-complementary

#64B5F5 #F5646C #F5ED64

monochromatic

#0D7BD1 #2B9AF1 #64B5F5 #9DD0F9 #D7ECFC

Accessibility & contrast

On white

2.22

#64B5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#64B5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5F5

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5F5	#FFFFFF	#000000	##000000
##64B5F5	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B6F8

Deuteranopia (green-blind)

#85A8F4

Tritanopia (blue-blind)

#00C4CB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b5f5;
/* rgb */ color: rgb(100, 181, 245);
/* oklch */ color: oklch(74.8% 0.122 244.3);

Tailwind

colors: {
  custom: {
    50: '#9bcbf8',
    500: '#64b5f5',
    950: '#000000',
  },
}

SCSS

$custom: #64b5f5;
$custom-light: #9bcbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5f5",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 245
  },
  "hsl": {
    "h": 206.483,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.74773,
    "c": 0.12234,
    "h": 244.3
  },
  "luminance": 0.4235
}

Semantic roles & 50–950 ramp

primary

#64B5F5

secondary

#F1D8C4

accent

#6501E4

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B5F5

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

Preview Lab → · Contrast checker → · Palette generator →