#ECF0F4#ECF0F4

#ECF0F4 is a very light, near-neutral cyan. Relative luminance 0.867; OKLCH L 95.3% C 0.007 H 247.9°. Best body text is #000000 at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#ECF0F4
RGB	rgb(236, 240, 244)
HSL	hsl(210, 27%, 94%)
HSV	hsv(210, 3%, 96%)
CMYK	cmyk(3.3%, 1.6%, 0%, 4.3%)
CIE-LAB	lab(94.60, -0.60, -2.39)
CIE-LCH	lch(94.60, 2.47, 255.82°)
OKLab	oklab(95.32% -0.0026 -0.0064)
OKLCH	oklch(95.32% 0.007 247.9)
XYZ	xyz(82.0783, 86.6844, 97.9780)
Luminance	0.8669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF0F4 #F4F0EC

analogous

#ECF4F4 #ECF0F4 #ECECF4

triadic

#ECF0F4 #F4ECF0 #F0F4EC

tetradic

#ECF0F4 #F4ECF4 #F4F0EC #ECF4EC

square

#ECF0F4 #F4ECF4 #F4F0EC #ECF4EC

split-complementary

#ECF0F4 #F4ECEC #F4F4EC

monochromatic

#9EB3C7 #C5D1DE #ECF0F4 #ECF0F4 #ECF0F4

Accessibility & contrast

On white

1.15

#ECF0F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.34

#ECF0F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF0F4

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF0F4	#FFFFFF	#000000	##000000
##ECF0F4	1.00	1.15	18.34	18.34
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.34	21.00	1.00	1.00
##000000	18.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF0F4

Deuteranopia (green-blind)

#EEEFF4

Tritanopia (blue-blind)

#EAF1F1

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf0f4;
/* rgb */ color: rgb(236, 240, 244);
/* oklch */ color: oklch(95.3% 0.007 247.9);

Tailwind

colors: {
  custom: {
    50: '#f2f4f7',
    500: '#ecf0f4',
    950: '#000000',
  },
}

SCSS

$custom: #ecf0f4;
$custom-light: #f2f4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf0f4",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 244
  },
  "hsl": {
    "h": 210,
    "s": 26.667,
    "l": 94.118
  },
  "oklch": {
    "l": 0.95324,
    "c": 0.00688,
    "h": 247.9
  },
  "luminance": 0.86685
}

Semantic roles & 50–950 ramp

primary

#ECF0F4

secondary

#CDC2B7

accent

#7340A5

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#161717

muted

#858585

Preview Lab

Preview with #ECF0F4

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

Preview Lab → · Contrast checker → · Palette generator →