#ECF4F8#ECF4F8

#ECF4F8 is a very light, near-neutral cyan. Relative luminance 0.893; OKLCH L 96.2% C 0.010 H 228.9°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECF4F8
RGB	rgb(236, 244, 248)
HSL	hsl(200, 46%, 95%)
HSV	hsv(200, 5%, 97%)
CMYK	cmyk(4.8%, 1.6%, 0%, 2.7%)
CIE-LAB	lab(95.71, -1.91, -2.84)
CIE-LCH	lch(95.71, 3.42, 236.11°)
OKLab	oklab(96.23% -0.0066 -0.0076)
OKLCH	oklch(96.23% 0.01 228.9)
XYZ	xyz(83.8827, 89.3110, 101.6083)
Luminance	0.8931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF4F8 #F8F0EC

analogous

#ECF8F6 #ECF4F8 #ECEEF8

triadic

#ECF4F8 #F8ECF4 #F4F8EC

tetradic

#ECF4F8 #F6ECF8 #F8F0EC #EEF8EC

square

#ECF4F8 #F6ECF8 #F8F0EC #EEF8EC

split-complementary

#ECF4F8 #F8ECEE #F8F6EC

monochromatic

#93C0D7 #BFDAE8 #E9F2F7 #E9F2F7 #E9F2F7

Accessibility & contrast

On white

1.11

#ECF4F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#ECF4F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF4F8

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF4F8	#FFFFFF	#000000	##000000
##ECF4F8	1.00	1.11	18.86	18.86
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.86	21.00	1.00	1.00
##000000	18.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F4F8

Deuteranopia (green-blind)

#F0F2F8

Tritanopia (blue-blind)

#E9F5F5

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecf4f8;
/* rgb */ color: rgb(236, 244, 248);
/* oklch */ color: oklch(96.2% 0.010 228.9);

Tailwind

colors: {
  custom: {
    50: '#f2f7fa',
    500: '#ecf4f8',
    950: '#000000',
  },
}

SCSS

$custom: #ecf4f8;
$custom-light: #f2f7fa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf4f8",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 248
  },
  "hsl": {
    "h": 200,
    "s": 46.154,
    "l": 94.902
  },
  "oklch": {
    "l": 0.96228,
    "c": 0.01009,
    "h": 228.9
  },
  "luminance": 0.89312
}

Semantic roles & 50–950 ramp

primary

#ECF4F8

secondary

#D7BEB1

accent

#5B2CB9

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF4F8

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

Preview Lab → · Contrast checker → · Palette generator →