#ECF6FF#ECF6FF

#ECF6FF is a very light, near-neutral cyan. Relative luminance 0.910; OKLCH L 96.8% C 0.016 H 245.1°. Best body text is #000000 at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#ECF6FF
RGB	rgb(236, 246, 255)
HSL	hsl(208, 100%, 96%)
HSV	hsv(208, 7%, 100%)
CMYK	cmyk(7.5%, 3.5%, 0%, 0%)
CIE-LAB	lab(96.40, -1.62, -5.45)
CIE-LCH	lch(96.40, 5.68, 253.45°)
OKLab	oklab(96.83% -0.0068 -0.0146)
OKLCH	oklch(96.83% 0.016 245.1)
XYZ	xyz(85.5941, 90.9636, 107.6367)
Luminance	0.9096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF6FF #FFF5EC

analogous

#ECFFFF #ECF6FF #ECEDFF

triadic

#ECF6FF #FFECF6 #F6FFEC

tetradic

#ECF6FF #FFECFF #FFF5EC #EDFFEC

square

#ECF6FF #FFECFF #FFF5EC #EDFFEC

split-complementary

#ECF6FF #FFECED #FFFFEC

monochromatic

#72BCFF #AFD9FF #E0F1FF #E0F1FF #E0F1FF

Accessibility & contrast

On white

1.09

#ECF6FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.19

#ECF6FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF6FF

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF6FF	#FFFFFF	#000000	##000000
##ECF6FF	1.00	1.09	19.19	19.19
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.19	21.00	1.00	1.00
##000000	19.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3F6FF

Deuteranopia (green-blind)

#F0F4FF

Tritanopia (blue-blind)

#E8F8F9

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecf6ff;
/* rgb */ color: rgb(236, 246, 255);
/* oklch */ color: oklch(96.8% 0.016 245.1);

Tailwind

colors: {
  custom: {
    50: '#f2f9ff',
    500: '#ecf6ff',
    950: '#000000',
  },
}

SCSS

$custom: #ecf6ff;
$custom-light: #f2f9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf6ff",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 255
  },
  "hsl": {
    "h": 208.421,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.96828,
    "c": 0.0161,
    "h": 245.1
  },
  "luminance": 0.90964
}

Semantic roles & 50–950 ramp

primary

#ECF6FF

secondary

#EEC6A1

accent

#6D00E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECF6FF

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

Preview Lab → · Contrast checker → · Palette generator →