#ECF3FE#ECF3FE

#ECF3FE is a very light, near-neutral blue. Relative luminance 0.891; OKLCH L 96.2% C 0.017 H 259.4°. Best body text is #000000 at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3FE
RGB	rgb(236, 243, 254)
HSL	hsl(217, 90%, 96%)
HSV	hsv(217, 7%, 100%)
CMYK	cmyk(7.1%, 4.3%, 0%, 0.4%)
CIE-LAB	lab(95.62, -0.28, -6.08)
CIE-LCH	lch(95.62, 6.09, 267.36°)
OKLab	oklab(96.21% -0.003 -0.0163)
OKLCH	oklch(96.21% 0.017 259.4)
XYZ	xyz(84.5285, 89.0892, 106.4894)
Luminance	0.8909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3FE #FEF7EC

analogous

#ECFCFE #ECF3FE #EEECFE

triadic

#ECF3FE #FEECF3 #F3FEEC

tetradic

#ECF3FE #FEECFC #FEF7EC #ECFEEE

square

#ECF3FE #FEECFC #FEF7EC #ECFEEE

split-complementary

#ECF3FE #FEEEEC #FCFEEC

monochromatic

#78AAF8 #B2CEFB #E2EDFD #E2EDFD #E2EDFD

Accessibility & contrast

On white

1.12

#ECF3FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.82

#ECF3FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3FE

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3FE	#FFFFFF	#000000	##000000
##ECF3FE	1.00	1.12	18.82	18.82
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.82	21.00	1.00	1.00
##000000	18.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0F3FF

Deuteranopia (green-blind)

#EEF2FE

Tritanopia (blue-blind)

#E8F5F6

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecf3fe;
/* rgb */ color: rgb(236, 243, 254);
/* oklch */ color: oklch(96.2% 0.017 259.4);

Tailwind

colors: {
  custom: {
    50: '#f2f7fe',
    500: '#ecf3fe',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3fe;
$custom-light: #f2f7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3fe",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 254
  },
  "hsl": {
    "h": 216.667,
    "s": 90,
    "l": 96.078
  },
  "oklch": {
    "l": 0.96208,
    "c": 0.01656,
    "h": 259.4
  },
  "luminance": 0.8909
}

Semantic roles & 50–950 ramp

primary

#ECF3FE

secondary

#EACFA4

accent

#8C00E6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF3FE

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

Preview Lab → · Contrast checker → · Palette generator →