#ECFDFF#ECFDFF

#ECFDFF is a very light, near-neutral teal. Relative luminance 0.953; OKLCH L 98.2% C 0.018 H 205.3°. Best body text is #000000 at 20.06:1 contrast (WCAG AA passes).

Color values

HEX	#ECFDFF
RGB	rgb(236, 253, 255)
HSL	hsl(186, 100%, 96%)
HSV	hsv(186, 7%, 100%)
CMYK	cmyk(7.5%, 0.8%, 0%, 0%)
CIE-LAB	lab(98.15, -5.16, -2.86)
CIE-LCH	lch(98.15, 5.90, 209.02°)
OKLab	oklab(98.21% -0.0163 -0.0077)
OKLCH	oklch(98.21% 0.018 205.3)
XYZ	xyz(87.7635, 95.3023, 108.3598)
Luminance	0.9530 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFDFF #FFEEEC

analogous

#ECFFF8 #ECFDFF #ECF4FF

triadic

#ECFDFF #FFECFD #FDFFEC

tetradic

#ECFDFF #F8ECFF #FFEEEC #F4FFEC

square

#ECFDFF #F8ECFF #FFEEEC #F4FFEC

split-complementary

#ECFDFF #FFECF4 #FFF8EC

monochromatic

#72F0FF #AFF7FF #E0FCFF #E0FCFF #E0FCFF

Accessibility & contrast

On white

1.05

#ECFDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.06

#ECFDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFDFF

20.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFDFF	#FFFFFF	#000000	##000000
##ECFDFF	1.00	1.05	20.06	20.06
#FFFFFF	1.05	1.00	21.00	21.00
#000000	20.06	21.00	1.00	1.00
##000000	20.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAFBFF

Deuteranopia (green-blind)

#F6F8FF

Tritanopia (blue-blind)

#E7FFFE

Achromatopsia (no color)

#FAFAFA

Design tokens & code

CSS

--color: #ecfdff;
/* rgb */ color: rgb(236, 253, 255);
/* oklch */ color: oklch(98.2% 0.018 205.3);

Tailwind

colors: {
  custom: {
    50: '#f2feff',
    500: '#ecfdff',
    950: '#000000',
  },
}

SCSS

$custom: #ecfdff;
$custom-light: #f2feff;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfdff",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 255
  },
  "hsl": {
    "h": 186.316,
    "s": 100,
    "l": 96.275
  },
  "oklch": {
    "l": 0.98213,
    "c": 0.01803,
    "h": 205.3
  },
  "luminance": 0.95303
}

Semantic roles & 50–950 ramp

primary

#ECFDFF

secondary

#EEA9A1

accent

#1800E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161718

muted

#858586

Preview Lab

Preview with #ECFDFF

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

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