#ECF9FC#ECF9FC

#ECF9FC is a very light, near-neutral cyan. Relative luminance 0.926; OKLCH L 97.3% C 0.014 H 213.1°. Best body text is #000000 at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#ECF9FC
RGB	rgb(236, 249, 252)
HSL	hsl(191, 73%, 96%)
HSV	hsv(191, 6%, 99%)
CMYK	cmyk(6.3%, 1.2%, 0%, 1.2%)
CIE-LAB	lab(97.07, -3.70, -2.91)
CIE-LCH	lch(97.07, 4.71, 218.17°)
OKLab	oklab(97.33% -0.012 -0.0078)
OKLCH	oklch(97.33% 0.014 213.1)
XYZ	xyz(86.0348, 92.6117, 105.4198)
Luminance	0.9261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF9FC #FCEFEC

analogous

#ECFCF7 #ECF9FC #ECF1FC

triadic

#ECF9FC #FCECF9 #F9FCEC

tetradic

#ECF9FC #F7ECFC #FCEFEC #F1FCEC

square

#ECF9FC #F7ECFC #FCEFEC #F1FCEC

split-complementary

#ECF9FC #FCECF1 #FCF7EC

monochromatic

#82D8EB #B7E8F4 #E5F7FB #E5F7FB #E5F7FB

Accessibility & contrast

On white

1.08

#ECF9FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.52

#ECF9FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF9FC

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF9FC	#FFFFFF	#000000	##000000
##ECF9FC	1.00	1.08	19.52	19.52
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.52	21.00	1.00	1.00
##000000	19.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6F8FC

Deuteranopia (green-blind)

#F4F6FC

Tritanopia (blue-blind)

#E8FAFA

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ecf9fc;
/* rgb */ color: rgb(236, 249, 252);
/* oklch */ color: oklch(97.3% 0.014 213.1);

Tailwind

colors: {
  custom: {
    50: '#f2fbfd',
    500: '#ecf9fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf9fc;
$custom-light: #f2fbfd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf9fc",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 252
  },
  "hsl": {
    "h": 191.25,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.97333,
    "c": 0.01431,
    "h": 213.1
  },
  "luminance": 0.92613
}

Semantic roles & 50–950 ramp

primary

#ECF9FC

secondary

#E3B4A9

accent

#3511D5

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF9FC

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

Preview Lab → · Contrast checker → · Palette generator →