#64B3F9#64B3F9

#64B3F9 is a light, vivid cyan. Relative luminance 0.418; OKLCH L 74.5% C 0.128 H 247.2°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#64B3F9
RGB	rgb(100, 179, 249)
HSL	hsl(208, 93%, 68%)
HSV	hsv(208, 60%, 98%)
CMYK	cmyk(59.8%, 28.1%, 0%, 2.4%)
CIE-LAB	lab(70.72, -3.96, -42.02)
CIE-LCH	lch(70.72, 42.20, 264.62°)
OKLab	oklab(74.52% -0.0497 -0.1183)
OKLCH	oklch(74.52% 0.128 247.2)
XYZ	xyz(38.4682, 41.7855, 95.6423)
Luminance	0.4179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B3F9 #F9AA64

analogous

#64F9F5 #64B3F9 #6468F9

triadic

#64B3F9 #F964B3 #B3F964

tetradic

#64B3F9 #F564F9 #F9AA64 #68F964

square

#64B3F9 #F564F9 #F9AA64 #68F964

split-complementary

#64B3F9 #F96468 #F9F564

monochromatic

#0878DA #2996F7 #64B3F9 #9FD0FB #DAEDFE

Accessibility & contrast

On white

2.24

#64B3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#64B3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3F9

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B3F9	#FFFFFF	#000000	##000000
##64B3F9	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B5FC

Deuteranopia (green-blind)

#81A6F8

Tritanopia (blue-blind)

#00C4CB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b3f9;
/* rgb */ color: rgb(100, 179, 249);
/* oklch */ color: oklch(74.5% 0.128 247.2);

Tailwind

colors: {
  custom: {
    50: '#9cc9fb',
    500: '#64b3f9',
    950: '#000000',
  },
}

SCSS

$custom: #64b3f9;
$custom-light: #9cc9fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64b3f9",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 249
  },
  "hsl": {
    "h": 208.188,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74524,
    "c": 0.1283,
    "h": 247.2
  },
  "luminance": 0.41789
}

Semantic roles & 50–950 ramp

primary

#64B3F9

secondary

#F3DBC6

accent

#6C00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B3F9

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

Preview Lab → · Contrast checker → · Palette generator →