#E4EFF3#E4EFF3

#E4EFF3 is a very light, near-neutral cyan. Relative luminance 0.847; OKLCH L 94.5% C 0.013 H 221.4°. Best body text is #000000 at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#E4EFF3
RGB	rgb(228, 239, 243)
HSL	hsl(196, 38%, 92%)
HSV	hsv(196, 6%, 95%)
CMYK	cmyk(6.2%, 1.6%, 0%, 4.7%)
CIE-LAB	lab(93.75, -2.89, -3.19)
CIE-LCH	lch(93.75, 4.30, 227.81°)
OKLab	oklab(94.5% -0.0097 -0.0085)
OKLCH	oklch(94.5% 0.013 221.4)
XYZ	xyz(79.0358, 84.6973, 96.9610)
Luminance	0.8470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EFF3 #F3E8E4

analogous

#E4F3F0 #E4EFF3 #E4E8F3

triadic

#E4EFF3 #F3E4EF #EFF3E4

tetradic

#E4EFF3 #F0E4F3 #F3E8E4 #E8F3E4

square

#E4EFF3 #F0E4F3 #F3E8E4 #E8F3E4

split-complementary

#E4EFF3 #F3E4E8 #F3F0E4

monochromatic

#8FBDCD #BAD6E0 #E4EFF3 #EAF2F6 #EAF2F6

Accessibility & contrast

On white

1.17

#E4EFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.94

#E4EFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EFF3

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EFF3	#FFFFFF	#000000	##000000
##E4EFF3	1.00	1.17	17.94	17.94
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.94	21.00	1.00	1.00
##000000	17.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDEEF3

Deuteranopia (green-blind)

#EAECF3

Tritanopia (blue-blind)

#E0F0F0

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #e4eff3;
/* rgb */ color: rgb(228, 239, 243);
/* oklch */ color: oklch(94.5% 0.013 221.4);

Tailwind

colors: {
  custom: {
    50: '#ecf4f7',
    500: '#e4eff3',
    950: '#000000',
  },
}

SCSS

$custom: #e4eff3;
$custom-light: #ecf4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#e4eff3",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 243
  },
  "hsl": {
    "h": 196,
    "s": 38.462,
    "l": 92.353
  },
  "oklch": {
    "l": 0.94503,
    "c": 0.01292,
    "h": 221.4
  },
  "luminance": 0.84698
}

Semantic roles & 50–950 ramp

primary

#E4EFF3

secondary

#CFB5AC

accent

#5634B1

background

#FEFFFF

surface

#FDFEFE

border

#D5D6D6

text

#161717

muted

#848585

Preview Lab

Preview with #E4EFF3

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

Preview Lab → · Contrast checker → · Palette generator →