#E4F5FF#E4F5FF

#E4F5FF is a very light, muted cyan. Relative luminance 0.890; OKLCH L 96.1% C 0.022 H 233.4°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#E4F5FF
RGB	rgb(228, 245, 255)
HSL	hsl(202, 100%, 95%)
HSV	hsv(202, 11%, 100%)
CMYK	cmyk(10.6%, 3.9%, 0%, 0%)
CIE-LAB	lab(95.59, -3.66, -6.70)
CIE-LCH	lch(95.59, 7.64, 241.39°)
OKLab	oklab(96.05% -0.0134 -0.018)
OKLCH	oklch(96.05% 0.022 233.4)
XYZ	xyz(82.6933, 89.0176, 107.4138)
Luminance	0.8902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F5FF #FFEEE4

analogous

#E4FFFB #E4F5FF #E4E8FF

triadic

#E4F5FF #FFE4F5 #F5FFE4

tetradic

#E4F5FF #FBE4FF #FFEEE4 #E8FFE4

square

#E4F5FF #FBE4FF #FFEEE4 #E8FFE4

split-complementary

#E4F5FF #FFE4E8 #FFFBE4

monochromatic

#6AC8FF #A7DEFF #E0F4FF #E0F4FF #E0F4FF

Accessibility & contrast

On white

1.12

#E4F5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#E4F5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F5FF

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F5FF	#FFFFFF	#000000	##000000
##E4F5FF	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0F4FF

Deuteranopia (green-blind)

#EDF1FF

Tritanopia (blue-blind)

#DDF8F8

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e4f5ff;
/* rgb */ color: rgb(228, 245, 255);
/* oklch */ color: oklch(96.1% 0.022 233.4);

Tailwind

colors: {
  custom: {
    50: '#ecf8ff',
    500: '#e4f5ff',
    950: '#000000',
  },
}

SCSS

$custom: #e4f5ff;
$custom-light: #ecf8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f5ff",
  "rgb": {
    "r": 228,
    "g": 245,
    "b": 255
  },
  "hsl": {
    "h": 202.222,
    "s": 100,
    "l": 94.706
  },
  "oklch": {
    "l": 0.96054,
    "c": 0.02247,
    "h": 233.4
  },
  "luminance": 0.89019
}

Semantic roles & 50–950 ramp

primary

#E4F5FF

secondary

#EDB99A

accent

#5500E6

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161718

muted

#848586

Preview Lab

Preview with #E4F5FF

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

Preview Lab → · Contrast checker → · Palette generator →