#64B8F4#64B8F4

#64B8F4 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.4% C 0.119 H 241.8°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#64B8F4
RGB	rgb(100, 184, 244)
HSL	hsl(205, 87%, 67%)
HSV	hsv(205, 59%, 96%)
CMYK	cmyk(59%, 24.6%, 0%, 4.3%)
CIE-LAB	lab(71.91, -8.25, -37.47)
CIE-LCH	lch(71.91, 38.37, 257.58°)
OKLab	oklab(75.39% -0.0564 -0.1051)
OKLCH	oklch(75.39% 0.119 241.8)
XYZ	xyz(38.7191, 43.5183, 91.9298)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8F4 #F4A064

analogous

#64F4E8 #64B8F4 #6470F4

triadic

#64B8F4 #F464B8 #B8F464

tetradic

#64B8F4 #E864F4 #F4A064 #70F464

square

#64B8F4 #E864F4 #F4A064 #70F464

split-complementary

#64B8F4 #F46470 #F4E864

monochromatic

#0F7FCF #2B9EF0 #64B8F4 #9DD2F8 #D6ECFC

Accessibility & contrast

On white

2.16

#64B8F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#64B8F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8F4

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8F4	#FFFFFF	#000000	##000000
##64B8F4	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB8F7

Deuteranopia (green-blind)

#8AAAF3

Tritanopia (blue-blind)

#00C7CC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64b8f4;
/* rgb */ color: rgb(100, 184, 244);
/* oklch */ color: oklch(75.4% 0.119 241.8);

Tailwind

colors: {
  custom: {
    50: '#9bcdf8',
    500: '#64b8f4',
    950: '#000000',
  },
}

SCSS

$custom: #64b8f4;
$custom-light: #9bcdf8;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8f4",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 244
  },
  "hsl": {
    "h": 205,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.75389,
    "c": 0.11931,
    "h": 241.8
  },
  "luminance": 0.43522
}

Semantic roles & 50–950 ramp

primary

#64B8F4

secondary

#F0D6C3

accent

#6002E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8F4

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

Preview Lab → · Contrast checker → · Palette generator →