#64D1FB#64D1FB

#64D1FB is a light, moderate cyan. Relative luminance 0.553; OKLCH L 81.3% C 0.116 H 226.2°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#64D1FB
RGB	rgb(100, 209, 251)
HSL	hsl(197, 95%, 69%)
HSV	hsv(197, 60%, 98%)
CMYK	cmyk(60.2%, 16.7%, 0%, 1.6%)
CIE-LAB	lab(79.20, -19.31, -29.96)
CIE-LCH	lch(79.20, 35.64, 237.20°)
OKLab	oklab(81.27% -0.0801 -0.0835)
OKLCH	oklch(81.27% 0.116 226.2)
XYZ	xyz(45.4617, 55.2708, 99.5206)
Luminance	0.5527 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D1FB #FB8E64

analogous

#64FBDA #64D1FB #6486FB

triadic

#64D1FB #FB64D1 #D1FB64

tetradic

#64D1FB #DA64FB #FB8E64 #86FB64

square

#64D1FB #DA64FB #FB8E64 #86FB64

split-complementary

#64D1FB #FB6486 #FBDA64

monochromatic

#06A2DF #28BFF9 #64D1FB #A0E3FD #DBF4FE

Accessibility & contrast

On white

1.74

#64D1FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#64D1FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D1FB

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D1FB	#FFFFFF	#000000	##000000
##64D1FB	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BACDFD

Deuteranopia (green-blind)

#A5BDFB

Tritanopia (blue-blind)

#00DDDF

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #64d1fb;
/* rgb */ color: rgb(100, 209, 251);
/* oklch */ color: oklch(81.3% 0.116 226.2);

Tailwind

colors: {
  custom: {
    50: '#9ddffc',
    500: '#64d1fb',
    950: '#000000',
  },
}

SCSS

$custom: #64d1fb;
$custom-light: #9ddffc;
$custom-dark: #000000;

JSON

{
  "hex": "#64d1fb",
  "rgb": {
    "r": 100,
    "g": 209,
    "b": 251
  },
  "hsl": {
    "h": 196.689,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.81273,
    "c": 0.11572,
    "h": 226.2
  },
  "luminance": 0.55275
}

Semantic roles & 50–950 ramp

primary

#64D1FB

secondary

#D55D2E

accent

#4000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D1FB

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

Preview Lab → · Contrast checker → · Palette generator →