#E4F8FC#E4F8FC

#E4F8FC is a very light, muted cyan. Relative luminance 0.907; OKLCH L 96.6% C 0.022 H 211.0°. Best body text is #000000 at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#E4F8FC
RGB	rgb(228, 248, 252)
HSL	hsl(190, 80%, 94%)
HSV	hsv(190, 10%, 99%)
CMYK	cmyk(9.5%, 1.6%, 0%, 1.2%)
CIE-LAB	lab(96.27, -5.75, -4.15)
CIE-LCH	lch(96.27, 7.09, 215.81°)
OKLab	oklab(96.56% -0.0186 -0.0112)
OKLCH	oklch(96.56% 0.022 211)
XYZ	xyz(83.1290, 90.6558, 105.1953)
Luminance	0.9066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F8FC #FCE8E4

analogous

#E4FCF4 #E4F8FC #E4ECFC

triadic

#E4F8FC #FCE4F8 #F8FCE4

tetradic

#E4F8FC #F4E4FC #FCE8E4 #ECFCE4

square

#E4F8FC #F4E4FC #FCE8E4 #ECFCE4

split-complementary

#E4F8FC #FCE4EC #FCF4E4

monochromatic

#76DBF0 #ADEAF6 #E3F8FC #E3F8FC #E3F8FC

Accessibility & contrast

On white

1.10

#E4F8FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.13

#E4F8FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F8FC

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F8FC	#FFFFFF	#000000	##000000
##E4F8FC	1.00	1.10	19.13	19.13
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.13	21.00	1.00	1.00
##000000	19.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4F6FC

Deuteranopia (green-blind)

#F0F3FC

Tritanopia (blue-blind)

#DEFAF9

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #e4f8fc;
/* rgb */ color: rgb(228, 248, 252);
/* oklch */ color: oklch(96.6% 0.022 211.0);

Tailwind

colors: {
  custom: {
    50: '#ecfafd',
    500: '#e4f8fc',
    950: '#000000',
  },
}

SCSS

$custom: #e4f8fc;
$custom-light: #ecfafd;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f8fc",
  "rgb": {
    "r": 228,
    "g": 248,
    "b": 252
  },
  "hsl": {
    "h": 190,
    "s": 80,
    "l": 94.118
  },
  "oklch": {
    "l": 0.96563,
    "c": 0.02168,
    "h": 211
  },
  "luminance": 0.90657
}

Semantic roles & 50–950 ramp

primary

#E4F8FC

secondary

#E4ABA0

accent

#2C09DC

background

#FEFFFF

surface

#FDFFFF

border

#D5D7D7

text

#161717

muted

#848585

Preview Lab

Preview with #E4F8FC

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

Preview Lab → · Contrast checker → · Palette generator →