#ECF5FF#ECF5FF

#ECF5FF is a very light, near-neutral cyan. Relative luminance 0.904; OKLCH L 96.6% C 0.017 H 250.8°. Best body text is #000000 at 19.07:1 contrast (WCAG AA passes).

Color values

HEX	#ECF5FF
RGB	rgb(236, 245, 255)
HSL	hsl(212, 100%, 96%)
HSV	hsv(212, 7%, 100%)
CMYK	cmyk(7.5%, 3.9%, 0%, 0%)
CIE-LAB	lab(96.14, -1.11, -5.82)
CIE-LCH	lch(96.14, 5.92, 259.19°)
OKLab	oklab(96.63% -0.0054 -0.0156)
OKLCH	oklch(96.63% 0.017 250.8)
XYZ	xyz(85.2908, 90.3569, 107.5355)
Luminance	0.9036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF5FF #FFF6EC

analogous

#ECFFFF #ECF5FF #EDECFF

triadic

#ECF5FF #FFECF5 #F5FFEC

tetradic

#ECF5FF #FFECFF #FFF6EC #ECFFED

square

#ECF5FF #FFECFF #FFF6EC #ECFFED

split-complementary

#ECF5FF #FFEDEC #FFFFEC

monochromatic

#72B5FF #AFD5FF #E0EFFF #E0EFFF #E0EFFF

Accessibility & contrast

On white

1.10

#ECF5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.07

#ECF5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF5FF

19.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF5FF	#FFFFFF	#000000	##000000
##ECF5FF	1.00	1.10	19.07	19.07
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.07	21.00	1.00	1.00
##000000	19.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F5FF

Deuteranopia (green-blind)

#EFF3FF

Tritanopia (blue-blind)

#E8F7F8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecf5ff;
/* rgb */ color: rgb(236, 245, 255);
/* oklch */ color: oklch(96.6% 0.017 250.8);

Tailwind

colors: {
  custom: {
    50: '#f2f8ff',
    500: '#ecf5ff',
    950: '#000000',
  },
}

SCSS

$custom: #ecf5ff;
$custom-light: #f2f8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf5ff",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 255
  },
  "hsl": {
    "h": 211.579,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.96631,
    "c": 0.01651,
    "h": 250.8
  },
  "luminance": 0.90358
}

Semantic roles & 50–950 ramp

primary

#ECF5FF

secondary

#EECAA1

accent

#7900E6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECF5FF

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

Preview Lab → · Contrast checker → · Palette generator →