#64BFEF#64BFEF

#64BFEF is a light, moderate cyan. Relative luminance 0.462; OKLCH L 76.7% C 0.111 H 233.8°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#64BFEF
RGB	rgb(100, 191, 239)
HSL	hsl(201, 81%, 66%)
HSV	hsv(201, 58%, 94%)
CMYK	cmyk(58.2%, 20.1%, 0%, 6.3%)
CIE-LAB	lab(73.67, -13.53, -32.02)
CIE-LCH	lch(73.67, 34.76, 247.10°)
OKLab	oklab(76.73% -0.0655 -0.0895)
OKLCH	oklch(76.73% 0.111 233.8)
XYZ	xyz(39.4604, 46.1992, 88.4824)
Luminance	0.4620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BFEF #EF9464

analogous

#64EFD9 #64BFEF #647AEF

triadic

#64BFEF #EF64BF #BFEF64

tetradic

#64BFEF #D964EF #EF9464 #7AEF64

square

#64BFEF #D964EF #EF9464 #7AEF64

split-complementary

#64BFEF #EF647A #EFD964

monochromatic

#1488C4 #2DA8E9 #64BFEF #9BD6F5 #D3EDFA

Accessibility & contrast

On white

2.05

#64BFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.24

#64BFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BFEF

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BFEF	#FFFFFF	#000000	##000000
##64BFEF	1.00	2.05	10.24	10.24
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.24	21.00	1.00	1.00
##000000	10.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BDF1

Deuteranopia (green-blind)

#95AFEE

Tritanopia (blue-blind)

#00CCCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #64bfef;
/* rgb */ color: rgb(100, 191, 239);
/* oklch */ color: oklch(76.7% 0.111 233.8);

Tailwind

colors: {
  custom: {
    50: '#9bd2f4',
    500: '#64bfef',
    950: '#000000',
  },
}

SCSS

$custom: #64bfef;
$custom-light: #9bd2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64bfef",
  "rgb": {
    "r": 100,
    "g": 191,
    "b": 239
  },
  "hsl": {
    "h": 200.719,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76726,
    "c": 0.11087,
    "h": 233.8
  },
  "luminance": 0.46203
}

Semantic roles & 50–950 ramp

primary

#64BFEF

secondary

#EED0C1

accent

#5208DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BFEF

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

Preview Lab → · Contrast checker → · Palette generator →