#64B1F9#64B1F9

#64B1F9 is a light, vivid cyan. Relative luminance 0.410; OKLCH L 74.1% C 0.130 H 248.5°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#64B1F9
RGB	rgb(100, 177, 249)
HSL	hsl(209, 93%, 68%)
HSV	hsv(209, 60%, 98%)
CMYK	cmyk(59.8%, 28.9%, 0%, 2.4%)
CIE-LAB	lab(70.17, -2.85, -42.88)
CIE-LCH	lch(70.17, 42.98, 266.20°)
OKLab	oklab(74.09% -0.0476 -0.1208)
OKLCH	oklch(74.09% 0.13 248.5)
XYZ	xyz(38.0703, 40.9896, 95.5097)
Luminance	0.4099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1F9 #F9AC64

analogous

#64F9F6 #64B1F9 #6466F9

triadic

#64B1F9 #F964B1 #B1F964

tetradic

#64B1F9 #F664F9 #F9AC64 #66F964

square

#64B1F9 #F664F9 #F9AC64 #66F964

split-complementary

#64B1F9 #F96466 #F9F664

monochromatic

#0875DA #2993F7 #64B1F9 #9FCFFB #DAECFE

Accessibility & contrast

On white

2.28

#64B1F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#64B1F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1F9

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1F9	#FFFFFF	#000000	##000000
##64B1F9	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B4FC

Deuteranopia (green-blind)

#7EA5F8

Tritanopia (blue-blind)

#00C2CA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b1f9;
/* rgb */ color: rgb(100, 177, 249);
/* oklch */ color: oklch(74.1% 0.130 248.5);

Tailwind

colors: {
  custom: {
    50: '#9cc8fb',
    500: '#64b1f9',
    950: '#000000',
  },
}

SCSS

$custom: #64b1f9;
$custom-light: #9cc8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1f9",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 249
  },
  "hsl": {
    "h": 208.993,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74088,
    "c": 0.12987,
    "h": 248.5
  },
  "luminance": 0.40993
}

Semantic roles & 50–950 ramp

primary

#64B1F9

secondary

#F3DCC6

accent

#6F00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B1F9

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

Preview Lab → · Contrast checker → · Palette generator →