#ECF2FF#ECF2FF

#ECF2FF is a very light, near-neutral blue. Relative luminance 0.886; OKLCH L 96.0% C 0.019 H 266.0°. Best body text is #000000 at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECF2FF
RGB	rgb(236, 242, 255)
HSL	hsl(221, 100%, 96%)
HSV	hsv(221, 7%, 100%)
CMYK	cmyk(7.5%, 5.1%, 0%, 0%)
CIE-LAB	lab(95.39, 0.42, -6.93)
CIE-LCH	lch(95.39, 6.94, 273.46°)
OKLab	oklab(96.04% -0.0013 -0.0185)
OKLCH	oklch(96.04% 0.019 266)
XYZ	xyz(84.3906, 88.5565, 107.2355)
Luminance	0.8856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF2FF #FFF9EC

analogous

#ECFCFF #ECF2FF #F0ECFF

triadic

#ECF2FF #FFECF2 #F2FFEC

tetradic

#ECF2FF #FFECFC #FFF9EC #ECFFF0

square

#ECF2FF #FFECFC #FFF9EC #ECFFF0

split-complementary

#ECF2FF #FFF0EC #FCFFEC

monochromatic

#729EFF #AFC8FF #E0EAFF #E0EAFF #E0EAFF

Accessibility & contrast

On white

1.12

#ECF2FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.71

#ECF2FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF2FF

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF2FF	#FFFFFF	#000000	##000000
##ECF2FF	1.00	1.12	18.71	18.71
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.71	21.00	1.00	1.00
##000000	18.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF3FF

Deuteranopia (green-blind)

#EDF1FF

Tritanopia (blue-blind)

#E8F4F6

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecf2ff;
/* rgb */ color: rgb(236, 242, 255);
/* oklch */ color: oklch(96.0% 0.019 266.0);

Tailwind

colors: {
  custom: {
    50: '#f2f6ff',
    500: '#ecf2ff',
    950: '#000000',
  },
}

SCSS

$custom: #ecf2ff;
$custom-light: #f2f6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf2ff",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 255
  },
  "hsl": {
    "h": 221.053,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.96042,
    "c": 0.0186,
    "h": 266
  },
  "luminance": 0.88557
}

Semantic roles & 50–950 ramp

primary

#ECF2FF

secondary

#EED6A1

accent

#9D00E6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECF2FF

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

Preview Lab → · Contrast checker → · Palette generator →