#64B8F3#64B8F3

#64B8F3 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.3% C 0.118 H 241.3°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#64B8F3
RGB	rgb(100, 184, 243)
HSL	hsl(205, 86%, 67%)
HSV	hsv(205, 59%, 95%)
CMYK	cmyk(58.8%, 24.3%, 0%, 4.7%)
CIE-LAB	lab(71.86, -8.56, -36.99)
CIE-LCH	lch(71.86, 37.97, 256.97°)
OKLab	oklab(75.34% -0.0567 -0.1037)
OKLCH	oklch(75.34% 0.118 241.3)
XYZ	xyz(38.5677, 43.4578, 91.1323)
Luminance	0.4346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8F3 #F39F64

analogous

#64F3E6 #64B8F3 #6471F3

triadic

#64B8F3 #F364B8 #B8F364

tetradic

#64B8F3 #E664F3 #F39F64 #71F364

square

#64B8F3 #E664F3 #F39F64 #71F364

split-complementary

#64B8F3 #F36471 #F3E664

monochromatic

#107FCD #2B9EEF #64B8F3 #9DD2F7 #D6ECFC

Accessibility & contrast

On white

2.17

#64B8F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#64B8F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8F3

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8F3	#FFFFFF	#000000	##000000
##64B8F3	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB8F6

Deuteranopia (green-blind)

#8AAAF2

Tritanopia (blue-blind)

#00C7CC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64b8f3;
/* rgb */ color: rgb(100, 184, 243);
/* oklch */ color: oklch(75.3% 0.118 241.3);

Tailwind

colors: {
  custom: {
    50: '#9bcdf7',
    500: '#64b8f3',
    950: '#000000',
  },
}

SCSS

$custom: #64b8f3;
$custom-light: #9bcdf7;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8f3",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 243
  },
  "hsl": {
    "h": 204.755,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.75343,
    "c": 0.11826,
    "h": 241.3
  },
  "luminance": 0.43461
}

Semantic roles & 50–950 ramp

primary

#64B8F3

secondary

#F0D5C3

accent

#5F03E2

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8F3

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

Preview Lab → · Contrast checker → · Palette generator →