#64BDF8#64BDF8

#64BDF8 is a light, vivid cyan. Relative luminance 0.459; OKLCH L 76.7% C 0.121 H 239.9°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#64BDF8
RGB	rgb(100, 189, 248)
HSL	hsl(204, 91%, 68%)
HSV	hsv(204, 60%, 97%)
CMYK	cmyk(59.7%, 23.8%, 0%, 2.7%)
CIE-LAB	lab(73.47, -9.72, -37.20)
CIE-LCH	lch(73.47, 38.45, 255.35°)
OKLab	oklab(76.68% -0.0604 -0.1043)
OKLCH	oklch(76.68% 0.121 239.9)
XYZ	xyz(40.3900, 45.8780, 95.5155)
Luminance	0.4588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BDF8 #F89F64

analogous

#64F8E9 #64BDF8 #6473F8

triadic

#64BDF8 #F864BD #BDF864

tetradic

#64BDF8 #E964F8 #F89F64 #73F864

square

#64BDF8 #E964F8 #F89F64 #73F864

split-complementary

#64BDF8 #F86473 #F8E964

monochromatic

#0A86D8 #29A4F5 #64BDF8 #9FD6FB #D9EFFD

Accessibility & contrast

On white

2.06

#64BDF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#64BDF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDF8

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BDF8	#FFFFFF	#000000	##000000
##64BDF8	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BDFB

Deuteranopia (green-blind)

#8EAEF7

Tritanopia (blue-blind)

#00CCD1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #64bdf8;
/* rgb */ color: rgb(100, 189, 248);
/* oklch */ color: oklch(76.7% 0.121 239.9);

Tailwind

colors: {
  custom: {
    50: '#9cd0fa',
    500: '#64bdf8',
    950: '#000000',
  },
}

SCSS

$custom: #64bdf8;
$custom-light: #9cd0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#64bdf8",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 248
  },
  "hsl": {
    "h": 203.919,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.76678,
    "c": 0.12056,
    "h": 239.9
  },
  "luminance": 0.45882
}

Semantic roles & 50–950 ramp

primary

#64BDF8

secondary

#F2D7C5

accent

#5B00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BDF8

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

Preview Lab → · Contrast checker → · Palette generator →