#E4F0FF#E4F0FF

#E4F0FF is a very light, muted cyan. Relative luminance 0.860; OKLCH L 95.1% C 0.024 H 253.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#E4F0FF
RGB	rgb(228, 240, 255)
HSL	hsl(213, 100%, 95%)
HSV	hsv(213, 11%, 100%)
CMYK	cmyk(10.6%, 5.9%, 0%, 0%)
CIE-LAB	lab(94.33, -1.11, -8.57)
CIE-LCH	lch(94.33, 8.64, 262.63°)
OKLab	oklab(95.06% -0.0066 -0.023)
OKLCH	oklch(95.06% 0.024 253.9)
XYZ	xyz(81.2010, 86.0331, 106.9164)
Luminance	0.8603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F0FF #FFF3E4

analogous

#E4FEFF #E4F0FF #E6E4FF

triadic

#E4F0FF #FFE4F0 #F0FFE4

tetradic

#E4F0FF #FFE4FE #FFF3E4 #E4FFE6

square

#E4F0FF #FFE4FE #FFF3E4 #E4FFE6

split-complementary

#E4F0FF #FFE6E4 #FEFFE4

monochromatic

#6AACFF #A7CEFF #E0EEFF #E0EEFF #E0EEFF

Accessibility & contrast

On white

1.15

#E4F0FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#E4F0FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F0FF

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F0FF	#FFFFFF	#000000	##000000
##E4F0FF	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBF0FF

Deuteranopia (green-blind)

#E8EDFF

Tritanopia (blue-blind)

#DEF3F5

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #e4f0ff;
/* rgb */ color: rgb(228, 240, 255);
/* oklch */ color: oklch(95.1% 0.024 253.9);

Tailwind

colors: {
  custom: {
    50: '#ecf4ff',
    500: '#e4f0ff',
    950: '#000000',
  },
}

SCSS

$custom: #e4f0ff;
$custom-light: #ecf4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f0ff",
  "rgb": {
    "r": 228,
    "g": 240,
    "b": 255
  },
  "hsl": {
    "h": 213.333,
    "s": 100,
    "l": 94.706
  },
  "oklch": {
    "l": 0.95061,
    "c": 0.02397,
    "h": 253.9
  },
  "luminance": 0.86034
}

Semantic roles & 50–950 ramp

primary

#E4F0FF

secondary

#EDC89A

accent

#7F00E6

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161718

muted

#848586

Preview Lab

Preview with #E4F0FF

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

Preview Lab → · Contrast checker → · Palette generator →