#ECF8FD#ECF8FD

#ECF8FD is a very light, near-neutral cyan. Relative luminance 0.921; OKLCH L 97.2% C 0.014 H 224.5°. Best body text is #000000 at 19.41:1 contrast (WCAG AA passes).

Color values

HEX	#ECF8FD
RGB	rgb(236, 248, 253)
HSL	hsl(198, 81%, 96%)
HSV	hsv(198, 7%, 99%)
CMYK	cmyk(6.7%, 2%, 0%, 0.8%)
CIE-LAB	lab(96.84, -3.01, -3.76)
CIE-LCH	lch(96.84, 4.81, 231.30°)
OKLab	oklab(97.16% -0.0102 -0.0101)
OKLCH	oklch(97.16% 0.014 224.5)
XYZ	xyz(85.8854, 92.0587, 106.1538)
Luminance	0.9206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF8FD #FDF1EC

analogous

#ECFDF9 #ECF8FD #ECEFFD

triadic

#ECF8FD #FDECF8 #F8FDEC

tetradic

#ECF8FD #F9ECFD #FDF1EC #EFFDEC

square

#ECF8FD #F9ECFD #FDF1EC #EFFDEC

split-complementary

#ECF8FD #FDECEF #FDF9EC

monochromatic

#7DCFF1 #B5E4F7 #E3F5FC #E3F5FC #E3F5FC

Accessibility & contrast

On white

1.08

#ECF8FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.41

#ECF8FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF8FD

19.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF8FD	#FFFFFF	#000000	##000000
##ECF8FD	1.00	1.08	19.41	19.41
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.41	21.00	1.00	1.00
##000000	19.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5F7FD

Deuteranopia (green-blind)

#F2F5FD

Tritanopia (blue-blind)

#E8FAF9

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #ecf8fd;
/* rgb */ color: rgb(236, 248, 253);
/* oklch */ color: oklch(97.2% 0.014 224.5);

Tailwind

colors: {
  custom: {
    50: '#f2fafe',
    500: '#ecf8fd',
    950: '#000000',
  },
}

SCSS

$custom: #ecf8fd;
$custom-light: #f2fafe;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf8fd",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 253
  },
  "hsl": {
    "h": 197.647,
    "s": 80.952,
    "l": 95.882
  },
  "oklch": {
    "l": 0.97164,
    "c": 0.01437,
    "h": 224.5
  },
  "luminance": 0.9206
}

Semantic roles & 50–950 ramp

primary

#ECF8FD

secondary

#E7B9A7

accent

#4708DD

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF8FD

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

Preview Lab → · Contrast checker → · Palette generator →