#ECF0FC#ECF0FC

#ECF0FC is a very light, near-neutral blue. Relative luminance 0.872; OKLCH L 95.6% C 0.017 H 271.2°. Best body text is #000000 at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#ECF0FC
RGB	rgb(236, 240, 252)
HSL	hsl(225, 73%, 96%)
HSV	hsv(225, 6%, 99%)
CMYK	cmyk(6.3%, 4.8%, 0%, 1.2%)
CIE-LAB	lab(94.81, 0.88, -6.23)
CIE-LCH	lch(94.81, 6.29, 278.00°)
OKLab	oklab(95.56% 0.0004 -0.0167)
OKLCH	oklch(95.56% 0.017 271.2)
XYZ	xyz(83.3194, 87.1808, 104.5146)
Luminance	0.8718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF0FC #FCF8EC

analogous

#ECF8FC #ECF0FC #F0ECFC

triadic

#ECF0FC #FCECF0 #F0FCEC

tetradic

#ECF0FC #FCECF8 #FCF8EC #ECFCF0

square

#ECF0FC #FCECF8 #FCF8EC #ECFCF0

split-complementary

#ECF0FC #FCF0EC #F8FCEC

monochromatic

#829DEB #B7C6F4 #E5EAFB #E5EAFB #E5EAFB

Accessibility & contrast

On white

1.14

#ECF0FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.44

#ECF0FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF0FC

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF0FC	#FFFFFF	#000000	##000000
##ECF0FC	1.00	1.14	18.44	18.44
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.44	21.00	1.00	1.00
##000000	18.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF1FD

Deuteranopia (green-blind)

#ECEFFC

Tritanopia (blue-blind)

#E9F2F4

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf0fc;
/* rgb */ color: rgb(236, 240, 252);
/* oklch */ color: oklch(95.6% 0.017 271.2);

Tailwind

colors: {
  custom: {
    50: '#f2f4fd',
    500: '#ecf0fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf0fc;
$custom-light: #f2f4fd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf0fc",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 252
  },
  "hsl": {
    "h": 225,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.9556,
    "c": 0.01666,
    "h": 271.2
  },
  "luminance": 0.87181
}

Semantic roles & 50–950 ramp

primary

#ECF0FC

secondary

#E3D5A9

accent

#A411D5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF0FC

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

Preview Lab → · Contrast checker → · Palette generator →