#ECF3FC#ECF3FC

#ECF3FC is a very light, near-neutral cyan. Relative luminance 0.890; OKLCH L 96.1% C 0.014 H 254.6°. Best body text is #000000 at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3FC
RGB	rgb(236, 243, 252)
HSL	hsl(214, 73%, 96%)
HSV	hsv(214, 6%, 99%)
CMYK	cmyk(6.3%, 3.6%, 0%, 1.2%)
CIE-LAB	lab(95.56, -0.66, -5.12)
CIE-LCH	lch(95.56, 5.16, 262.70°)
OKLab	oklab(96.15% -0.0038 -0.0137)
OKLCH	oklch(96.15% 0.014 254.6)
XYZ	xyz(84.2099, 88.9617, 104.8114)
Luminance	0.8896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3FC #FCF5EC

analogous

#ECFBFC #ECF3FC #EDECFC

triadic

#ECF3FC #FCECF3 #F3FCEC

tetradic

#ECF3FC #FCECFB #FCF5EC #ECFCED

square

#ECF3FC #FCECFB #FCF5EC #ECFCED

split-complementary

#ECF3FC #FCEDEC #FBFCEC

monochromatic

#82B0EB #B7D2F4 #E5EEFB #E5EEFB #E5EEFB

Accessibility & contrast

On white

1.12

#ECF3FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.79

#ECF3FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3FC

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3FC	#FFFFFF	#000000	##000000
##ECF3FC	1.00	1.12	18.79	18.79
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.79	21.00	1.00	1.00
##000000	18.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0F3FC

Deuteranopia (green-blind)

#EEF2FC

Tritanopia (blue-blind)

#E8F5F6

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecf3fc;
/* rgb */ color: rgb(236, 243, 252);
/* oklch */ color: oklch(96.1% 0.014 254.6);

Tailwind

colors: {
  custom: {
    50: '#f2f7fd',
    500: '#ecf3fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3fc;
$custom-light: #f2f7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3fc",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 252
  },
  "hsl": {
    "h": 213.75,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.96148,
    "c": 0.01422,
    "h": 254.6
  },
  "luminance": 0.88962
}

Semantic roles & 50–950 ramp

primary

#ECF3FC

secondary

#E3CAA9

accent

#7F11D5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF3FC

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

Preview Lab → · Contrast checker → · Palette generator →