#ECF6FB#ECF6FB

#ECF6FB is a very light, near-neutral cyan. Relative luminance 0.907; OKLCH L 96.7% C 0.013 H 228.9°. Best body text is #000000 at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#ECF6FB
RGB	rgb(236, 246, 251)
HSL	hsl(200, 65%, 95%)
HSV	hsv(200, 6%, 98%)
CMYK	cmyk(6%, 2%, 0%, 1.6%)
CIE-LAB	lab(96.29, -2.37, -3.54)
CIE-LCH	lch(96.29, 4.26, 236.21°)
OKLab	oklab(96.71% -0.0083 -0.0095)
OKLCH	oklch(96.71% 0.013 228.9)
XYZ	xyz(84.9569, 90.7087, 104.2808)
Luminance	0.9071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF6FB #FBF1EC

analogous

#ECFBF8 #ECF6FB #ECEEFB

triadic

#ECF6FB #FBECF6 #F6FBEC

tetradic

#ECF6FB #F8ECFB #FBF1EC #EEFBEC

square

#ECF6FB #F8ECFB #FBF1EC #EEFBEC

split-complementary

#ECF6FB #FBECEE #FBF8EC

monochromatic

#87C6E6 #B9DEF0 #E6F3FA #E6F3FA #E6F3FA

Accessibility & contrast

On white

1.10

#ECF6FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.14

#ECF6FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF6FB

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF6FB	#FFFFFF	#000000	##000000
##ECF6FB	1.00	1.10	19.14	19.14
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.14	21.00	1.00	1.00
##000000	19.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3F5FB

Deuteranopia (green-blind)

#F1F3FB

Tritanopia (blue-blind)

#E8F8F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecf6fb;
/* rgb */ color: rgb(236, 246, 251);
/* oklch */ color: oklch(96.7% 0.013 228.9);

Tailwind

colors: {
  custom: {
    50: '#f2f9fc',
    500: '#ecf6fb',
    950: '#000000',
  },
}

SCSS

$custom: #ecf6fb;
$custom-light: #f2f9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf6fb",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 251
  },
  "hsl": {
    "h": 200,
    "s": 65.217,
    "l": 95.49
  },
  "oklch": {
    "l": 0.9671,
    "c": 0.01257,
    "h": 228.9
  },
  "luminance": 0.90709
}

Semantic roles & 50–950 ramp

primary

#ECF6FB

secondary

#E0BDAB

accent

#5518CD

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF6FB

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

Preview Lab → · Contrast checker → · Palette generator →