#ECEFF4#ECEFF4

#ECEFF4 is a very light, near-neutral blue. Relative luminance 0.861; OKLCH L 95.1% C 0.007 H 260.7°. Best body text is #000000 at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#ECEFF4
RGB	rgb(236, 239, 244)
HSL	hsl(218, 27%, 94%)
HSV	hsv(218, 3%, 96%)
CMYK	cmyk(3.3%, 2%, 0%, 4.3%)
CIE-LAB	lab(94.35, -0.09, -2.76)
CIE-LCH	lch(94.35, 2.76, 268.06°)
OKLab	oklab(95.13% -0.0012 -0.0073)
OKLCH	oklch(95.13% 0.007 260.7)
XYZ	xyz(81.7847, 86.0973, 97.8802)
Luminance	0.8610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEFF4 #F4F1EC

analogous

#ECF3F4 #ECEFF4 #EDECF4

triadic

#ECEFF4 #F4ECEF #EFF4EC

tetradic

#ECEFF4 #F4ECF3 #F4F1EC #ECF4ED

square

#ECEFF4 #F4ECF3 #F4F1EC #ECF4ED

split-complementary

#ECEFF4 #F4EDEC #F3F4EC

monochromatic

#9EAEC7 #C5CEDE #ECEFF4 #ECEFF4 #ECEFF4

Accessibility & contrast

On white

1.15

#ECEFF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.22

#ECEFF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEFF4

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEFF4	#FFFFFF	#000000	##000000
##ECEFF4	1.00	1.15	18.22	18.22
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.22	21.00	1.00	1.00
##000000	18.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEEFF4

Deuteranopia (green-blind)

#EDEEF4

Tritanopia (blue-blind)

#EAF0F1

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eceff4;
/* rgb */ color: rgb(236, 239, 244);
/* oklch */ color: oklch(95.1% 0.007 260.7);

Tailwind

colors: {
  custom: {
    50: '#f2f4f7',
    500: '#eceff4',
    950: '#000000',
  },
}

SCSS

$custom: #eceff4;
$custom-light: #f2f4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#eceff4",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 244
  },
  "hsl": {
    "h": 217.5,
    "s": 26.667,
    "l": 94.118
  },
  "oklch": {
    "l": 0.95128,
    "c": 0.00745,
    "h": 260.7
  },
  "luminance": 0.86098
}

Semantic roles & 50–950 ramp

primary

#ECEFF4

secondary

#CDC5B7

accent

#7F40A5

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#161717

muted

#858585

Preview Lab

Preview with #ECEFF4

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

Preview Lab → · Contrast checker → · Palette generator →