#64BBF3#64BBF3

#64BBF3 is a light, moderate cyan. Relative luminance 0.447; OKLCH L 76.0% C 0.117 H 239.1°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#64BBF3
RGB	rgb(100, 187, 243)
HSL	hsl(203, 86%, 67%)
HSV	hsv(203, 59%, 95%)
CMYK	cmyk(58.8%, 23%, 0%, 4.7%)
CIE-LAB	lab(72.71, -10.18, -35.69)
CIE-LCH	lch(72.71, 37.11, 254.08°)
OKLab	oklab(76.01% -0.0599 -0.1)
OKLCH	oklch(76.01% 0.117 239.1)
XYZ	xyz(39.1974, 44.7174, 91.3423)
Luminance	0.4472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBF3 #F39C64

analogous

#64F3E4 #64BBF3 #6473F3

triadic

#64BBF3 #F364BB #BBF364

tetradic

#64BBF3 #E464F3 #F39C64 #73F364

square

#64BBF3 #E464F3 #F39C64 #73F364

split-complementary

#64BBF3 #F36473 #F3E464

monochromatic

#1083CD #2BA2EF #64BBF3 #9DD4F7 #D6EDFC

Accessibility & contrast

On white

2.11

#64BBF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#64BBF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBF3

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBF3	#FFFFFF	#000000	##000000
##64BBF3	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BBF6

Deuteranopia (green-blind)

#8EACF2

Tritanopia (blue-blind)

#00C9CE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64bbf3;
/* rgb */ color: rgb(100, 187, 243);
/* oklch */ color: oklch(76.0% 0.117 239.1);

Tailwind

colors: {
  custom: {
    50: '#9bcff7',
    500: '#64bbf3',
    950: '#000000',
  },
}

SCSS

$custom: #64bbf3;
$custom-light: #9bcff7;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbf3",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 243
  },
  "hsl": {
    "h": 203.497,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.76009,
    "c": 0.11656,
    "h": 239.1
  },
  "luminance": 0.44721
}

Semantic roles & 50–950 ramp

primary

#64BBF3

secondary

#F0D5C3

accent

#5B03E2

background

#FAFCFF

surface

#F4F9FE

border

#CED2D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64BBF3

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

Preview Lab → · Contrast checker → · Palette generator →