#ECF0FA#ECF0FA

#ECF0FA is a very light, near-neutral blue. Relative luminance 0.871; OKLCH L 95.5% C 0.014 H 268.5°. Best body text is #000000 at 18.41:1 contrast (WCAG AA passes).

Color values

HEX	#ECF0FA
RGB	rgb(236, 240, 250)
HSL	hsl(223, 58%, 95%)
HSV	hsv(223, 6%, 98%)
CMYK	cmyk(5.6%, 4%, 0%, 2%)
CIE-LAB	lab(94.76, 0.50, -5.27)
CIE-LCH	lch(94.76, 5.29, 275.44°)
OKLab	oklab(95.5% -0.0004 -0.0141)
OKLCH	oklch(95.5% 0.014 268.5)
XYZ	xyz(83.0042, 87.0547, 102.8543)
Luminance	0.8706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF0FA #FAF6EC

analogous

#ECF7FA #ECF0FA #EFECFA

triadic

#ECF0FA #FAECF0 #F0FAEC

tetradic

#ECF0FA #FAECF7 #FAF6EC #ECFAEF

square

#ECF0FA #FAECF7 #FAF6EC #ECFAEF

split-complementary

#ECF0FA #FAEFEC #F7FAEC

monochromatic

#8BA3E0 #BCCAED #E7ECF9 #E7ECF9 #E7ECF9

Accessibility & contrast

On white

1.14

#ECF0FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.41

#ECF0FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF0FA

18.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF0FA	#FFFFFF	#000000	##000000
##ECF0FA	1.00	1.14	18.41	18.41
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.41	21.00	1.00	1.00
##000000	18.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF1FB

Deuteranopia (green-blind)

#ECEFFA

Tritanopia (blue-blind)

#E9F2F3

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf0fa;
/* rgb */ color: rgb(236, 240, 250);
/* oklch */ color: oklch(95.5% 0.014 268.5);

Tailwind

colors: {
  custom: {
    50: '#f2f4fc',
    500: '#ecf0fa',
    950: '#000000',
  },
}

SCSS

$custom: #ecf0fa;
$custom-light: #f2f4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf0fa",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 250
  },
  "hsl": {
    "h": 222.857,
    "s": 58.333,
    "l": 95.294
  },
  "oklch": {
    "l": 0.955,
    "c": 0.01408,
    "h": 268.5
  },
  "luminance": 0.87055
}

Semantic roles & 50–950 ramp

primary

#ECF0FA

secondary

#DDCFAD

accent

#9620C6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF0FA

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

Preview Lab → · Contrast checker → · Palette generator →