#E4F3FA#E4F3FA

#E4F3FA is a very light, near-neutral cyan. Relative luminance 0.875; OKLCH L 95.5% C 0.018 H 227.3°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#E4F3FA
RGB	rgb(228, 243, 250)
HSL	hsl(199, 69%, 94%)
HSV	hsv(199, 9%, 98%)
CMYK	cmyk(8.8%, 2.8%, 0%, 2%)
CIE-LAB	lab(94.95, -3.60, -5.06)
CIE-LCH	lch(94.95, 6.21, 234.54°)
OKLab	oklab(95.51% -0.0125 -0.0136)
OKLCH	oklch(95.51% 0.019 227.3)
XYZ	xyz(81.2971, 87.4963, 103.0293)
Luminance	0.8750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F3FA #FAEBE4

analogous

#E4FAF6 #E4F3FA #E4E8FA

triadic

#E4F3FA #FAE4F3 #F3FAE4

tetradic

#E4F3FA #F6E4FA #FAEBE4 #E8FAE4

square

#E4F3FA #F6E4FA #FAEBE4 #E8FAE4

split-complementary

#E4F3FA #FAE4E8 #FAF6E4

monochromatic

#7DC5E7 #B0DCF0 #E4F3FA #E5F4FA #E5F4FA

Accessibility & contrast

On white

1.14

#E4F3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#E4F3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F3FA

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F3FA	#FFFFFF	#000000	##000000
##E4F3FA	1.00	1.14	18.50	18.50
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF2FA

Deuteranopia (green-blind)

#ECEFFA

Tritanopia (blue-blind)

#DFF5F5

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #e4f3fa;
/* rgb */ color: rgb(228, 243, 250);
/* oklch */ color: oklch(95.5% 0.018 227.3);

Tailwind

colors: {
  custom: {
    50: '#ecf7fc',
    500: '#e4f3fa',
    950: '#000000',
  },
}

SCSS

$custom: #e4f3fa;
$custom-light: #ecf7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f3fa",
  "rgb": {
    "r": 228,
    "g": 243,
    "b": 250
  },
  "hsl": {
    "h": 199.091,
    "s": 68.75,
    "l": 93.725
  },
  "oklch": {
    "l": 0.95506,
    "c": 0.0185,
    "h": 227.3
  },
  "luminance": 0.87497
}

Semantic roles & 50–950 ramp

primary

#E4F3FA

secondary

#DFB6A3

accent

#5115D1

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161717

muted

#848585

Preview Lab

Preview with #E4F3FA

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

Preview Lab → · Contrast checker → · Palette generator →