#ECEFFF#ECEFFF

#ECEFFF is a very light, muted blue. Relative luminance 0.868; OKLCH L 95.5% C 0.022 H 277.5°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#ECEFFF
RGB	rgb(236, 239, 255)
HSL	hsl(231, 100%, 96%)
HSV	hsv(231, 7%, 100%)
CMYK	cmyk(7.5%, 6.3%, 0%, 0%)
CIE-LAB	lab(94.65, 1.95, -8.03)
CIE-LCH	lch(94.65, 8.27, 283.67°)
OKLab	oklab(95.46% 0.0028 -0.0215)
OKLCH	oklch(95.46% 0.022 277.5)
XYZ	xyz(83.5050, 86.7854, 106.9403)
Luminance	0.8679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEFFF #FFFCEC

analogous

#ECF9FF #ECEFFF #F3ECFF

triadic

#ECEFFF #FFECEF #EFFFEC

tetradic

#ECEFFF #FFECF9 #FFFCEC #ECFFF3

square

#ECEFFF #FFECF9 #FFFCEC #ECFFF3

split-complementary

#ECEFFF #FFF3EC #F9FFEC

monochromatic

#7288FF #AFBBFF #E0E5FF #E0E5FF #E0E5FF

Accessibility & contrast

On white

1.14

#ECEFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#ECEFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEFFF

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEFFF	#FFFFFF	#000000	##000000
##ECEFFF	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBF0FF

Deuteranopia (green-blind)

#EAEFFF

Tritanopia (blue-blind)

#E8F2F4

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecefff;
/* rgb */ color: rgb(236, 239, 255);
/* oklch */ color: oklch(95.5% 0.022 277.5);

Tailwind

colors: {
  custom: {
    50: '#f2f4ff',
    500: '#ecefff',
    950: '#000000',
  },
}

SCSS

$custom: #ecefff;
$custom-light: #f2f4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecefff",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 255
  },
  "hsl": {
    "h": 230.526,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.95455,
    "c": 0.02171,
    "h": 277.5
  },
  "luminance": 0.86786
}

Semantic roles & 50–950 ramp

primary

#ECEFFF

secondary

#EEE2A1

accent

#C100E6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECEFFF

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

Preview Lab → · Contrast checker → · Palette generator →