#ECF1FC#ECF1FC

#ECF1FC is a very light, near-neutral blue. Relative luminance 0.878; OKLCH L 95.8% C 0.016 H 266.3°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#ECF1FC
RGB	rgb(236, 241, 252)
HSL	hsl(221, 73%, 96%)
HSV	hsv(221, 6%, 99%)
CMYK	cmyk(6.3%, 4.4%, 0%, 1.2%)
CIE-LAB	lab(95.06, 0.36, -5.86)
CIE-LCH	lch(95.06, 5.87, 273.56°)
OKLab	oklab(95.76% -0.001 -0.0157)
OKLCH	oklch(95.76% 0.016 266.3)
XYZ	xyz(83.6146, 87.7712, 104.6130)
Luminance	0.8777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF1FC #FCF7EC

analogous

#ECF9FC #ECF1FC #EFECFC

triadic

#ECF1FC #FCECF1 #F1FCEC

tetradic

#ECF1FC #FCECF9 #FCF7EC #ECFCEF

square

#ECF1FC #FCECF9 #FCF7EC #ECFCEF

split-complementary

#ECF1FC #FCEFEC #F9FCEC

monochromatic

#82A3EB #B7CAF4 #E5ECFB #E5ECFB #E5ECFB

Accessibility & contrast

On white

1.13

#ECF1FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#ECF1FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF1FC

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF1FC	#FFFFFF	#000000	##000000
##ECF1FC	1.00	1.13	18.55	18.55
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.55	21.00	1.00	1.00
##000000	18.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF2FD

Deuteranopia (green-blind)

#EDF0FC

Tritanopia (blue-blind)

#E9F3F4

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecf1fc;
/* rgb */ color: rgb(236, 241, 252);
/* oklch */ color: oklch(95.8% 0.016 266.3);

Tailwind

colors: {
  custom: {
    50: '#f2f5fd',
    500: '#ecf1fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf1fc;
$custom-light: #f2f5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf1fc",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 252
  },
  "hsl": {
    "h": 221.25,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.95756,
    "c": 0.0157,
    "h": 266.3
  },
  "luminance": 0.87772
}

Semantic roles & 50–950 ramp

primary

#ECF1FC

secondary

#E3D1A9

accent

#9811D5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF1FC

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

Preview Lab → · Contrast checker → · Palette generator →