#ECEFF9#ECEFF9

#ECEFF9 is a very light, near-neutral blue. Relative luminance 0.864; OKLCH L 95.3% C 0.014 H 272.7°. Best body text is #000000 at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#ECEFF9
RGB	rgb(236, 239, 249)
HSL	hsl(226, 52%, 95%)
HSV	hsv(226, 5%, 98%)
CMYK	cmyk(5.2%, 4%, 0%, 2.4%)
CIE-LAB	lab(94.49, 0.83, -5.16)
CIE-LCH	lch(94.49, 5.22, 279.11°)
OKLab	oklab(95.27% 0.0007 -0.0138)
OKLCH	oklch(95.27% 0.014 272.7)
XYZ	xyz(82.5542, 86.4050, 101.9328)
Luminance	0.8640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEFF9 #F9F6EC

analogous

#ECF5F9 #ECEFF9 #EFECF9

triadic

#ECEFF9 #F9ECEF #EFF9EC

tetradic

#ECEFF9 #F9ECF5 #F9F6EC #ECF9EF

square

#ECEFF9 #F9ECF5 #F9F6EC #ECF9EF

split-complementary

#ECEFF9 #F9EFEC #F5F9EC

monochromatic

#8FA1DC #BDC8EA #E8EBF8 #E8EBF8 #E8EBF8

Accessibility & contrast

On white

1.15

#ECEFF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.28

#ECEFF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEFF9

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEFF9	#FFFFFF	#000000	##000000
##ECEFF9	1.00	1.15	18.28	18.28
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.28	21.00	1.00	1.00
##000000	18.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECF0FA

Deuteranopia (green-blind)

#ECEFF9

Tritanopia (blue-blind)

#E9F1F2

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eceff9;
/* rgb */ color: rgb(236, 239, 249);
/* oklch */ color: oklch(95.3% 0.014 272.7);

Tailwind

colors: {
  custom: {
    50: '#f2f4fb',
    500: '#eceff9',
    950: '#000000',
  },
}

SCSS

$custom: #eceff9;
$custom-light: #f2f4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#eceff9",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 249
  },
  "hsl": {
    "h": 226.154,
    "s": 52,
    "l": 95.098
  },
  "oklch": {
    "l": 0.95274,
    "c": 0.0138,
    "h": 272.7
  },
  "luminance": 0.86405
}

Semantic roles & 50–950 ramp

primary

#ECEFF9

secondary

#DAD0AF

accent

#9C26BF

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECEFF9

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

Preview Lab → · Contrast checker → · Palette generator →