#ECF8FF#ECF8FF

#ECF8FF is a very light, near-neutral cyan. Relative luminance 0.922; OKLCH L 97.2% C 0.016 H 233.0°. Best body text is #000000 at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#ECF8FF
RGB	rgb(236, 248, 255)
HSL	hsl(202, 100%, 96%)
HSV	hsv(202, 7%, 100%)
CMYK	cmyk(7.5%, 2.7%, 0%, 0%)
CIE-LAB	lab(96.90, -2.63, -4.71)
CIE-LCH	lch(96.90, 5.40, 240.79°)
OKLab	oklab(97.22% -0.0095 -0.0126)
OKLCH	oklch(97.22% 0.016 233)
XYZ	xyz(86.2057, 92.1868, 107.8405)
Luminance	0.9219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF8FF #FFF3EC

analogous

#ECFFFD #ECF8FF #ECEFFF

triadic

#ECF8FF #FFECF8 #F8FFEC

tetradic

#ECF8FF #FDECFF #FFF3EC #EFFFEC

square

#ECF8FF #FDECFF #FFF3EC #EFFFEC

split-complementary

#ECF8FF #FFECEF #FFFDEC

monochromatic

#72CBFF #AFE1FF #E0F4FF #E0F4FF #E0F4FF

Accessibility & contrast

On white

1.08

#ECF8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.44

#ECF8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF8FF

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF8FF	#FFFFFF	#000000	##000000
##ECF8FF	1.00	1.08	19.44	19.44
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.44	21.00	1.00	1.00
##000000	19.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5F7FF

Deuteranopia (green-blind)

#F2F5FF

Tritanopia (blue-blind)

#E7FAFA

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #ecf8ff;
/* rgb */ color: rgb(236, 248, 255);
/* oklch */ color: oklch(97.2% 0.016 233.0);

Tailwind

colors: {
  custom: {
    50: '#f2faff',
    500: '#ecf8ff',
    950: '#000000',
  },
}

SCSS

$custom: #ecf8ff;
$custom-light: #f2faff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf8ff",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 255
  },
  "hsl": {
    "h": 202.105,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.97222,
    "c": 0.01581,
    "h": 233
  },
  "luminance": 0.92188
}

Semantic roles & 50–950 ramp

primary

#ECF8FF

secondary

#EEBDA1

accent

#5500E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECF8FF

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

Preview Lab → · Contrast checker → · Palette generator →