#64B8F7#64B8F7

#64B8F7 is a light, vivid cyan. Relative luminance 0.437; OKLCH L 75.5% C 0.123 H 243.1°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#64B8F7
RGB	rgb(100, 184, 247)
HSL	hsl(206, 90%, 68%)
HSV	hsv(206, 60%, 97%)
CMYK	cmyk(59.5%, 25.5%, 0%, 3.1%)
CIE-LAB	lab(72.03, -7.32, -38.90)
CIE-LCH	lch(72.03, 39.58, 259.34°)
OKLab	oklab(75.53% -0.0555 -0.1092)
OKLCH	oklch(75.53% 0.123 243.1)
XYZ	xyz(39.1783, 43.7020, 94.3483)
Luminance	0.4371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8F7 #F7A364

analogous

#64F7EC #64B8F7 #646EF7

triadic

#64B8F7 #F764B8 #B8F764

tetradic

#64B8F7 #EC64F7 #F7A364 #6EF764

square

#64B8F7 #EC64F7 #F7A364 #6EF764

split-complementary

#64B8F7 #F7646E #F7EC64

monochromatic

#0B7FD6 #2A9DF4 #64B8F7 #9ED3FA #D8EDFD

Accessibility & contrast

On white

2.16

#64B8F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#64B8F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8F7

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8F7	#FFFFFF	#000000	##000000
##64B8F7	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB9FA

Deuteranopia (green-blind)

#88AAF6

Tritanopia (blue-blind)

#00C7CE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #64b8f7;
/* rgb */ color: rgb(100, 184, 247);
/* oklch */ color: oklch(75.5% 0.123 243.1);

Tailwind

colors: {
  custom: {
    50: '#9bcdfa',
    500: '#64b8f7',
    950: '#000000',
  },
}

SCSS

$custom: #64b8f7;
$custom-light: #9bcdfa;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8f7",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 247
  },
  "hsl": {
    "h": 205.714,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.75527,
    "c": 0.12253,
    "h": 243.1
  },
  "luminance": 0.43706
}

Semantic roles & 50–950 ramp

primary

#64B8F7

secondary

#F2D8C5

accent

#6200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8F7

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

Preview Lab → · Contrast checker → · Palette generator →