#ECF1FD#ECF1FD

#ECF1FD is a very light, near-neutral blue. Relative luminance 0.878; OKLCH L 95.8% C 0.017 H 267.8°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#ECF1FD
RGB	rgb(236, 241, 253)
HSL	hsl(222, 81%, 96%)
HSV	hsv(222, 7%, 99%)
CMYK	cmyk(6.7%, 4.7%, 0%, 0.8%)
CIE-LAB	lab(95.09, 0.55, -6.34)
CIE-LCH	lch(95.09, 6.36, 274.98°)
OKLab	oklab(95.79% -0.0006 -0.017)
OKLCH	oklch(95.79% 0.017 267.8)
XYZ	xyz(83.7735, 87.8348, 105.4498)
Luminance	0.8783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF1FD #FDF8EC

analogous

#ECF9FD #ECF1FD #EFECFD

triadic

#ECF1FD #FDECF1 #F1FDEC

tetradic

#ECF1FD #FDECF9 #FDF8EC #ECFDEF

square

#ECF1FD #FDECF9 #FDF8EC #ECFDEF

split-complementary

#ECF1FD #FDEFEC #F9FDEC

monochromatic

#7D9FF1 #B5C8F7 #E3EBFC #E3EBFC #E3EBFC

Accessibility & contrast

On white

1.13

#ECF1FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#ECF1FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF1FD

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF1FD	#FFFFFF	#000000	##000000
##ECF1FD	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF2FE

Deuteranopia (green-blind)

#ECF0FD

Tritanopia (blue-blind)

#E8F3F5

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecf1fd;
/* rgb */ color: rgb(236, 241, 253);
/* oklch */ color: oklch(95.8% 0.017 267.8);

Tailwind

colors: {
  custom: {
    50: '#f2f5fe',
    500: '#ecf1fd',
    950: '#000000',
  },
}

SCSS

$custom: #ecf1fd;
$custom-light: #f2f5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf1fd",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 253
  },
  "hsl": {
    "h": 222.353,
    "s": 80.952,
    "l": 95.882
  },
  "oklch": {
    "l": 0.95785,
    "c": 0.01697,
    "h": 267.8
  },
  "luminance": 0.87835
}

Semantic roles & 50–950 ramp

primary

#ECF1FD

secondary

#E7D4A7

accent

#9F08DD

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF1FD

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

Preview Lab → · Contrast checker → · Palette generator →