#E4F8FF#E4F8FF

#E4F8FF is a very light, muted cyan. Relative luminance 0.908; OKLCH L 96.7% C 0.023 H 220.7°. Best body text is #000000 at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#E4F8FF
RGB	rgb(228, 248, 255)
HSL	hsl(196, 100%, 95%)
HSV	hsv(196, 11%, 100%)
CMYK	cmyk(10.6%, 2.7%, 0%, 0%)
CIE-LAB	lab(96.35, -5.18, -5.58)
CIE-LCH	lch(96.35, 7.61, 227.16°)
OKLab	oklab(96.65% -0.0175 -0.015)
OKLCH	oklch(96.65% 0.023 220.7)
XYZ	xyz(83.6082, 90.8475, 107.7188)
Luminance	0.9085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F8FF #FFEBE4

analogous

#E4FFF9 #E4F8FF #E4EBFF

triadic

#E4F8FF #FFE4F8 #F8FFE4

tetradic

#E4F8FF #F9E4FF #FFEBE4 #EBFFE4

square

#E4F8FF #F9E4FF #FFEBE4 #EBFFE4

split-complementary

#E4F8FF #FFE4EB #FFF9E4

monochromatic

#6AD8FF #A7E8FF #E0F7FF #E0F7FF #E0F7FF

Accessibility & contrast

On white

1.10

#E4F8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.17

#E4F8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F8FF

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F8FF	#FFFFFF	#000000	##000000
##E4F8FF	1.00	1.10	19.17	19.17
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.17	21.00	1.00	1.00
##000000	19.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4F7FF

Deuteranopia (green-blind)

#EFF3FF

Tritanopia (blue-blind)

#DDFBFA

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #e4f8ff;
/* rgb */ color: rgb(228, 248, 255);
/* oklch */ color: oklch(96.7% 0.023 220.7);

Tailwind

colors: {
  custom: {
    50: '#ecfaff',
    500: '#e4f8ff',
    950: '#000000',
  },
}

SCSS

$custom: #e4f8ff;
$custom-light: #ecfaff;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f8ff",
  "rgb": {
    "r": 228,
    "g": 248,
    "b": 255
  },
  "hsl": {
    "h": 195.556,
    "s": 100,
    "l": 94.706
  },
  "oklch": {
    "l": 0.96652,
    "c": 0.02304,
    "h": 220.7
  },
  "luminance": 0.90849
}

Semantic roles & 50–950 ramp

primary

#E4F8FF

secondary

#EDB09A

accent

#3C00E6

background

#FEFFFF

surface

#FDFFFF

border

#D5D7D7

text

#161718

muted

#848586

Preview Lab

Preview with #E4F8FF

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

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