#ECF5FD#ECF5FD

#ECF5FD is a very light, near-neutral cyan. Relative luminance 0.902; OKLCH L 96.6% C 0.014 H 244.7°. Best body text is #000000 at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#ECF5FD
RGB	rgb(236, 245, 253)
HSL	hsl(208, 81%, 96%)
HSV	hsv(208, 7%, 99%)
CMYK	cmyk(6.7%, 3.2%, 0%, 0.8%)
CIE-LAB	lab(96.09, -1.49, -4.86)
CIE-LCH	lch(96.09, 5.09, 253.00°)
OKLab	oklab(96.57% -0.0061 -0.013)
OKLCH	oklch(96.57% 0.014 244.7)
XYZ	xyz(84.9705, 90.2288, 105.8488)
Luminance	0.9023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF5FD #FDF4EC

analogous

#ECFDFC #ECF5FD #ECECFD

triadic

#ECF5FD #FDECF5 #F5FDEC

tetradic

#ECF5FD #FCECFD #FDF4EC #ECFDEC

square

#ECF5FD #FCECFD #FDF4EC #ECFDEC

split-complementary

#ECF5FD #FDECEC #FDFCEC

monochromatic

#7DBBF1 #B5D8F7 #E3F0FC #E3F0FC #E3F0FC

Accessibility & contrast

On white

1.10

#ECF5FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.05

#ECF5FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF5FD

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF5FD	#FFFFFF	#000000	##000000
##ECF5FD	1.00	1.10	19.05	19.05
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.05	21.00	1.00	1.00
##000000	19.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F5FD

Deuteranopia (green-blind)

#F0F3FD

Tritanopia (blue-blind)

#E8F7F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecf5fd;
/* rgb */ color: rgb(236, 245, 253);
/* oklch */ color: oklch(96.6% 0.014 244.7);

Tailwind

colors: {
  custom: {
    50: '#f2f8fe',
    500: '#ecf5fd',
    950: '#000000',
  },
}

SCSS

$custom: #ecf5fd;
$custom-light: #f2f8fe;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf5fd",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 253
  },
  "hsl": {
    "h": 208.235,
    "s": 80.952,
    "l": 95.882
  },
  "oklch": {
    "l": 0.96572,
    "c": 0.0144,
    "h": 244.7
  },
  "luminance": 0.9023
}

Semantic roles & 50–950 ramp

primary

#ECF5FD

secondary

#E7C5A7

accent

#6C08DD

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF5FD

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

Preview Lab → · Contrast checker → · Palette generator →