#E4F4FF#E4F4FF

#E4F4FF is a very light, muted cyan. Relative luminance 0.884; OKLCH L 95.9% C 0.023 H 237.6°. Best body text is #000000 at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#E4F4FF
RGB	rgb(228, 244, 255)
HSL	hsl(204, 100%, 95%)
HSV	hsv(204, 11%, 100%)
CMYK	cmyk(10.6%, 4.3%, 0%, 0%)
CIE-LAB	lab(95.34, -3.15, -7.08)
CIE-LCH	lch(95.34, 7.75, 246.01°)
OKLab	oklab(95.86% -0.0121 -0.019)
OKLCH	oklch(95.86% 0.023 237.6)
XYZ	xyz(82.3916, 88.4142, 107.3132)
Luminance	0.8841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F4FF #FFEFE4

analogous

#E4FFFC #E4F4FF #E4E7FF

triadic

#E4F4FF #FFE4F4 #F4FFE4

tetradic

#E4F4FF #FCE4FF #FFEFE4 #E7FFE4

square

#E4F4FF #FCE4FF #FFEFE4 #E7FFE4

split-complementary

#E4F4FF #FFE4E7 #FFFCE4

monochromatic

#6AC2FF #A7DBFF #E0F3FF #E0F3FF #E0F3FF

Accessibility & contrast

On white

1.12

#E4F4FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.68

#E4F4FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F4FF

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F4FF	#FFFFFF	#000000	##000000
##E4F4FF	1.00	1.12	18.68	18.68
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.68	21.00	1.00	1.00
##000000	18.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF3FF

Deuteranopia (green-blind)

#ECF0FF

Tritanopia (blue-blind)

#DDF7F7

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e4f4ff;
/* rgb */ color: rgb(228, 244, 255);
/* oklch */ color: oklch(95.9% 0.023 237.6);

Tailwind

colors: {
  custom: {
    50: '#ecf7ff',
    500: '#e4f4ff',
    950: '#000000',
  },
}

SCSS

$custom: #e4f4ff;
$custom-light: #ecf7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f4ff",
  "rgb": {
    "r": 228,
    "g": 244,
    "b": 255
  },
  "hsl": {
    "h": 204.444,
    "s": 100,
    "l": 94.706
  },
  "oklch": {
    "l": 0.95855,
    "c": 0.02253,
    "h": 237.6
  },
  "luminance": 0.88415
}

Semantic roles & 50–950 ramp

primary

#E4F4FF

secondary

#EDBC9A

accent

#5D00E6

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161718

muted

#848586

Preview Lab

Preview with #E4F4FF

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

Preview Lab → · Contrast checker → · Palette generator →