#64B8F8#64B8F8

#64B8F8 is a light, vivid cyan. Relative luminance 0.438; OKLCH L 75.6% C 0.124 H 243.5°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#64B8F8
RGB	rgb(100, 184, 248)
HSL	hsl(206, 91%, 68%)
HSV	hsv(206, 60%, 97%)
CMYK	cmyk(59.7%, 25.8%, 0%, 2.7%)
CIE-LAB	lab(72.07, -7.01, -39.37)
CIE-LCH	lch(72.07, 39.99, 259.90°)
OKLab	oklab(75.57% -0.0552 -0.1106)
OKLCH	oklch(75.57% 0.124 243.5)
XYZ	xyz(39.3330, 43.7639, 95.1632)
Luminance	0.4377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8F8 #F8A464

analogous

#64F8EE #64B8F8 #646EF8

triadic

#64B8F8 #F864B8 #B8F864

tetradic

#64B8F8 #EE64F8 #F8A464 #6EF864

square

#64B8F8 #EE64F8 #F8A464 #6EF864

split-complementary

#64B8F8 #F8646E #F8EE64

monochromatic

#0A7FD8 #299DF5 #64B8F8 #9FD3FB #D9EEFD

Accessibility & contrast

On white

2.15

#64B8F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#64B8F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8F8

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8F8	#FFFFFF	#000000	##000000
##64B8F8	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB9FB

Deuteranopia (green-blind)

#88AAF7

Tritanopia (blue-blind)

#00C8CE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #64b8f8;
/* rgb */ color: rgb(100, 184, 248);
/* oklch */ color: oklch(75.6% 0.124 243.5);

Tailwind

colors: {
  custom: {
    50: '#9ccdfa',
    500: '#64b8f8',
    950: '#000000',
  },
}

SCSS

$custom: #64b8f8;
$custom-light: #9ccdfa;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8f8",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 248
  },
  "hsl": {
    "h": 205.946,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.75574,
    "c": 0.12362,
    "h": 243.5
  },
  "luminance": 0.43768
}

Semantic roles & 50–950 ramp

primary

#64B8F8

secondary

#F2D9C5

accent

#6300E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8F8

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

Preview Lab → · Contrast checker → · Palette generator →