#ECF4FC#ECF4FC

#ECF4FC is a very light, near-neutral cyan. Relative luminance 0.896; OKLCH L 96.3% C 0.014 H 248.0°. Best body text is #000000 at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#ECF4FC
RGB	rgb(236, 244, 252)
HSL	hsl(210, 73%, 96%)
HSV	hsv(210, 6%, 99%)
CMYK	cmyk(6.3%, 3.2%, 0%, 1.2%)
CIE-LAB	lab(95.81, -1.17, -4.75)
CIE-LCH	lch(95.81, 4.89, 256.23°)
OKLab	oklab(96.35% -0.0051 -0.0127)
OKLCH	oklch(96.35% 0.014 248)
XYZ	xyz(84.5099, 89.5619, 104.9115)
Luminance	0.8956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF4FC #FCF4EC

analogous

#ECFCFC #ECF4FC #ECECFC

triadic

#ECF4FC #FCECF4 #F4FCEC

tetradic

#ECF4FC #FCECFC #FCF4EC #ECFCEC

square

#ECF4FC #FCECFC #FCF4EC #ECFCEC

split-complementary

#ECF4FC #FCECEC #FCFCEC

monochromatic

#82B7EB #B7D5F4 #E5F0FB #E5F0FB #E5F0FB

Accessibility & contrast

On white

1.11

#ECF4FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.91

#ECF4FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF4FC

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF4FC	#FFFFFF	#000000	##000000
##ECF4FC	1.00	1.11	18.91	18.91
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.91	21.00	1.00	1.00
##000000	18.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F4FC

Deuteranopia (green-blind)

#EFF2FC

Tritanopia (blue-blind)

#E8F6F6

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecf4fc;
/* rgb */ color: rgb(236, 244, 252);
/* oklch */ color: oklch(96.3% 0.014 248.0);

Tailwind

colors: {
  custom: {
    50: '#f2f7fd',
    500: '#ecf4fc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf4fc;
$custom-light: #f2f7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf4fc",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 252
  },
  "hsl": {
    "h": 210,
    "s": 72.727,
    "l": 95.686
  },
  "oklch": {
    "l": 0.96345,
    "c": 0.01372,
    "h": 248
  },
  "luminance": 0.89563
}

Semantic roles & 50–950 ramp

primary

#ECF4FC

secondary

#E3C6A9

accent

#7311D5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#161717

muted

#858585

Preview Lab

Preview with #ECF4FC

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

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