#64B4F9#64B4F9

#64B4F9 is a light, vivid cyan. Relative luminance 0.422; OKLCH L 74.7% C 0.128 H 246.6°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#64B4F9
RGB	rgb(100, 180, 249)
HSL	hsl(208, 93%, 68%)
HSV	hsv(208, 60%, 98%)
CMYK	cmyk(59.8%, 27.7%, 0%, 2.4%)
CIE-LAB	lab(71.00, -4.51, -41.58)
CIE-LCH	lch(71.00, 41.83, 263.81°)
OKLab	oklab(74.74% -0.0507 -0.117)
OKLCH	oklch(74.74% 0.128 246.6)
XYZ	xyz(38.6694, 42.1878, 95.7094)
Luminance	0.4219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4F9 #F9A964

analogous

#64F9F3 #64B4F9 #6469F9

triadic

#64B4F9 #F964B4 #B4F964

tetradic

#64B4F9 #F364F9 #F9A964 #69F964

square

#64B4F9 #F364F9 #F9A964 #69F964

split-complementary

#64B4F9 #F96469 #F9F364

monochromatic

#0879DA #2997F7 #64B4F9 #9FD1FB #DAEDFE

Accessibility & contrast

On white

2.23

#64B4F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#64B4F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4F9

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4F9	#FFFFFF	#000000	##000000
##64B4F9	1.00	2.23	9.44	9.44
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B6FC

Deuteranopia (green-blind)

#82A7F8

Tritanopia (blue-blind)

#00C4CC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b4f9;
/* rgb */ color: rgb(100, 180, 249);
/* oklch */ color: oklch(74.7% 0.128 246.6);

Tailwind

colors: {
  custom: {
    50: '#9ccafb',
    500: '#64b4f9',
    950: '#000000',
  },
}

SCSS

$custom: #64b4f9;
$custom-light: #9ccafb;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4f9",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 249
  },
  "hsl": {
    "h": 207.785,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74743,
    "c": 0.12755,
    "h": 246.6
  },
  "luminance": 0.42191
}

Semantic roles & 50–950 ramp

primary

#64B4F9

secondary

#F3DBC6

accent

#6A00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B4F9

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

Preview Lab → · Contrast checker → · Palette generator →