#ECF5FC#ECF5FC

#ECF5FC is a very light, near-neutral cyan. Relative luminance 0.902; OKLCH L 96.5% C 0.013 H 241.0°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#ECF5FC
RGB	rgb(236, 245, 252)
HSL	hsl(206, 73%, 96%)
HSV	hsv(206, 6%, 99%)
CMYK	cmyk(6.3%, 2.8%, 0%, 1.2%)
CIE-LAB	lab(96.07, -1.67, -4.39)
CIE-LCH	lch(96.07, 4.69, 249.11°)
OKLab	oklab(96.54% -0.0065 -0.0117)
OKLCH	oklch(96.54% 0.013 241)
XYZ	xyz(84.8116, 90.1653, 105.0120)
Luminance	0.9017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF5FC #FCF3EC

analogous

#ECFCFB #ECF5FC #ECEDFC

triadic

#ECF5FC #FCECF5 #F5FCEC

tetradic

#ECF5FC #FBECFC #FCF3EC #EDFCEC

square

#ECF5FC #FBECFC #FCF3EC #EDFCEC

split-complementary

#ECF5FC #FCECED #FCFBEC

monochromatic

#82BDEB #B7D9F4 #E5F1FB #E5F1FB #E5F1FB

Accessibility & contrast

On white

1.10

#ECF5FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#ECF5FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF5FC

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF5FC	#FFFFFF	#000000	##000000
##ECF5FC	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F5FC

Deuteranopia (green-blind)

#F0F3FC

Tritanopia (blue-blind)

#E8F7F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecf5fc;
/* rgb */ color: rgb(236, 245, 252);
/* oklch */ color: oklch(96.5% 0.013 241.0);

Tailwind

colors: {
  custom: {
    50: '#f2f8fd',
    500: '#ecf5fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf5fc;
$custom-light: #f2f8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf5fc",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 252
  },
  "hsl": {
    "h": 206.25,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.96542,
    "c": 0.01343,
    "h": 241
  },
  "luminance": 0.90166
}

Semantic roles & 50–950 ramp

primary

#ECF5FC

secondary

#E3C2A9

accent

#6611D5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF5FC

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

Preview Lab → · Contrast checker → · Palette generator →