#64CBE9#64CBE9

#64CBE9 is a light, moderate cyan. Relative luminance 0.513; OKLCH L 79.2% C 0.104 H 219.5°. Best body text is #000000 at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#64CBE9
RGB	rgb(100, 203, 233)
HSL	hsl(194, 75%, 65%)
HSV	hsv(194, 57%, 91%)
CMYK	cmyk(57.1%, 12.9%, 0%, 8.6%)
CIE-LAB	lab(76.86, -21.51, -23.91)
CIE-LCH	lch(76.86, 32.16, 228.02°)
OKLab	oklab(79.2% -0.0804 -0.0664)
OKLCH	oklch(79.2% 0.104 219.5)
XYZ	xyz(41.3136, 51.3004, 84.7998)
Luminance	0.5130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CBE9 #E98264

analogous

#64E9C5 #64CBE9 #6488E9

triadic

#64CBE9 #E964CB #CBE964

tetradic

#64CBE9 #C564E9 #E98264 #88E964

square

#64CBE9 #C564E9 #E98264 #88E964

split-complementary

#64CBE9 #E96488 #E9C564

monochromatic

#1A95B8 #2EB9E1 #64CBE9 #9ADDF1 #CFEFF8

Accessibility & contrast

On white

1.86

#64CBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.26

#64CBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CBE9

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CBE9	#FFFFFF	#000000	##000000
##64CBE9	1.00	1.86	11.26	11.26
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.26	21.00	1.00	1.00
##000000	11.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C6EB

Deuteranopia (green-blind)

#A5B7E9

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #64cbe9;
/* rgb */ color: rgb(100, 203, 233);
/* oklch */ color: oklch(79.2% 0.104 219.5);

Tailwind

colors: {
  custom: {
    50: '#9bdbf0',
    500: '#64cbe9',
    950: '#000000',
  },
}

SCSS

$custom: #64cbe9;
$custom-light: #9bdbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#64cbe9",
  "rgb": {
    "r": 100,
    "g": 203,
    "b": 233
  },
  "hsl": {
    "h": 193.534,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.79195,
    "c": 0.10427,
    "h": 219.5
  },
  "luminance": 0.51304
}

Semantic roles & 50–950 ramp

primary

#64CBE9

secondary

#B85639

accent

#3C0ED7

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #64CBE9

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

Preview Lab → · Contrast checker → · Palette generator →