#E4EFFB#E4EFFB

#E4EFFB is a very light, muted cyan. Relative luminance 0.852; OKLCH L 94.7% C 0.020 H 250.4°. Best body text is #000000 at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#E4EFFB
RGB	rgb(228, 239, 251)
HSL	hsl(211, 74%, 94%)
HSV	hsv(211, 9%, 98%)
CMYK	cmyk(9.2%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(93.97, -1.37, -7.03)
CIE-LCH	lch(93.97, 7.16, 258.95°)
OKLab	oklab(94.74% -0.0067 -0.0189)
OKLCH	oklch(94.74% 0.02 250.4)
XYZ	xyz(80.2703, 85.1911, 103.4626)
Luminance	0.8519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EFFB #FBF0E4

analogous

#E4FBFB #E4EFFB #E5E4FB

triadic

#E4EFFB #FBE4EF #EFFBE4

tetradic

#E4EFFB #FBE4FB #FBF0E4 #E4FBE5

square

#E4EFFB #FBE4FB #FBF0E4 #E4FBE5

split-complementary

#E4EFFB #FBE5E4 #FBFBE4

monochromatic

#79B0EB #AFCFF3 #E4EFFB #E4EFFB #E4EFFB

Accessibility & contrast

On white

1.16

#E4EFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.04

#E4EFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EFFB

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EFFB	#FFFFFF	#000000	##000000
##E4EFFB	1.00	1.16	18.04	18.04
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.04	21.00	1.00	1.00
##000000	18.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBEFFC

Deuteranopia (green-blind)

#E8EDFB

Tritanopia (blue-blind)

#DFF2F3

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #e4effb;
/* rgb */ color: rgb(228, 239, 251);
/* oklch */ color: oklch(94.7% 0.020 250.4);

Tailwind

colors: {
  custom: {
    50: '#ecf4fc',
    500: '#e4effb',
    950: '#000000',
  },
}

SCSS

$custom: #e4effb;
$custom-light: #ecf4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#e4effb",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 211.304,
    "s": 74.194,
    "l": 93.922
  },
  "oklch": {
    "l": 0.94741,
    "c": 0.02003,
    "h": 250.4
  },
  "luminance": 0.85192
}

Semantic roles & 50–950 ramp

primary

#E4EFFB

secondary

#E1C3A2

accent

#770FD6

background

#FEFFFF

surface

#FDFEFF

border

#D5D6D7

text

#161717

muted

#848585

Preview Lab

Preview with #E4EFFB

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

Preview Lab → · Contrast checker → · Palette generator →