#E4F3EF#E4F3EF

#E4F3EF is a very light, near-neutral teal. Relative luminance 0.868; OKLCH L 95.2% C 0.017 H 178.3°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#E4F3EF
RGB	rgb(228, 243, 239)
HSL	hsl(164, 38%, 92%)
HSV	hsv(164, 6%, 95%)
CMYK	cmyk(6.2%, 0%, 1.6%, 4.7%)
CIE-LAB	lab(94.66, -5.66, 0.22)
CIE-LCH	lch(94.66, 5.67, 177.75°)
OKLab	oklab(95.19% -0.0167 0.0005)
OKLCH	oklch(95.19% 0.017 178.3)
XYZ	xyz(79.6223, 86.8264, 94.2090)
Luminance	0.8683 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F3EF #F3E4E8

analogous

#E4F3E8 #E4F3EF #E4F0F3

triadic

#E4F3EF #EFE4F3 #F3EFE4

tetradic

#E4F3EF #E8E4F3 #F3E4E8 #F0F3E4

square

#E4F3EF #E8E4F3 #F3E4E8 #F0F3E4

split-complementary

#E4F3EF #F3E4F0 #F3E8E4

monochromatic

#8FCDBD #BAE0D6 #E4F3EF #EAF6F2 #EAF6F2

Accessibility & contrast

On white

1.14

#E4F3EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#E4F3EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F3EF

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F3EF	#FFFFFF	#000000	##000000
##E4F3EF	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F1EF

Deuteranopia (green-blind)

#EFEFEF

Tritanopia (blue-blind)

#E1F4F2

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #e4f3ef;
/* rgb */ color: rgb(228, 243, 239);
/* oklch */ color: oklch(95.2% 0.017 178.3);

Tailwind

colors: {
  custom: {
    50: '#ecf7f4',
    500: '#e4f3ef',
    950: '#000000',
  },
}

SCSS

$custom: #e4f3ef;
$custom-light: #ecf7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f3ef",
  "rgb": {
    "r": 228,
    "g": 243,
    "b": 239
  },
  "hsl": {
    "h": 164,
    "s": 38.462,
    "l": 92.353
  },
  "oklch": {
    "l": 0.95188,
    "c": 0.0167,
    "h": 178.3
  },
  "luminance": 0.86827
}

Semantic roles & 50–950 ramp

primary

#E4F3EF

secondary

#CFACB5

accent

#3456B1

background

#FEFFFF

surface

#FDFEFE

border

#D5D6D6

text

#161717

muted

#848585

Preview Lab

Preview with #E4F3EF

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

Preview Lab → · Contrast checker → · Palette generator →