#64CBF3#64CBF3

#64CBF3 is a light, moderate cyan. Relative luminance 0.519; OKLCH L 79.6% C 0.111 H 226.2°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#64CBF3
RGB	rgb(100, 203, 243)
HSL	hsl(197, 86%, 67%)
HSV	hsv(197, 59%, 95%)
CMYK	cmyk(58.8%, 16.5%, 0%, 4.7%)
CIE-LAB	lab(77.21, -18.59, -28.73)
CIE-LCH	lch(77.21, 34.22, 237.09°)
OKLab	oklab(79.59% -0.0767 -0.08)
OKLCH	oklch(79.59% 0.111 226.2)
XYZ	xyz(42.7828, 51.8881, 92.5374)
Luminance	0.5189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CBF3 #F38C64

analogous

#64F3D3 #64CBF3 #6484F3

triadic

#64CBF3 #F364CB #CBF364

tetradic

#64CBF3 #D364F3 #F38C64 #84F364

square

#64CBF3 #D364F3 #F38C64 #84F364

split-complementary

#64CBF3 #F36484 #F3D364

monochromatic

#1098CD #2BB8EF #64CBF3 #9DDEF7 #D6F1FC

Accessibility & contrast

On white

1.85

#64CBF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#64CBF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CBF3

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CBF3	#FFFFFF	#000000	##000000
##64CBF3	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C7F5

Deuteranopia (green-blind)

#A1B8F3

Tritanopia (blue-blind)

#00D7D8

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #64cbf3;
/* rgb */ color: rgb(100, 203, 243);
/* oklch */ color: oklch(79.6% 0.111 226.2);

Tailwind

colors: {
  custom: {
    50: '#9cdbf7',
    500: '#64cbf3',
    950: '#000000',
  },
}

SCSS

$custom: #64cbf3;
$custom-light: #9cdbf7;
$custom-dark: #000000;

JSON

{
  "hex": "#64cbf3",
  "rgb": {
    "r": 100,
    "g": 203,
    "b": 243
  },
  "hsl": {
    "h": 196.783,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.79594,
    "c": 0.11088,
    "h": 226.2
  },
  "luminance": 0.51892
}

Semantic roles & 50–950 ramp

primary

#64CBF3

secondary

#C95C32

accent

#4203E2

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64CBF3

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

Preview Lab → · Contrast checker → · Palette generator →