#EFF0F4#EFF0F4

#EFF0F4 is a very light, near-neutral blue. Relative luminance 0.872; OKLCH L 95.6% C 0.005 H 274.9°. Best body text is #000000 at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#EFF0F4
RGB	rgb(239, 240, 244)
HSL	hsl(228, 19%, 95%)
HSV	hsv(228, 2%, 96%)
CMYK	cmyk(2%, 1.6%, 0%, 4.3%)
CIE-LAB	lab(94.82, 0.38, -2.04)
CIE-LCH	lch(94.82, 2.08, 280.63°)
OKLab	oklab(95.55% 0.0005 -0.0054)
OKLCH	oklch(95.55% 0.005 274.9)
XYZ	xyz(83.0830, 87.2024, 98.0251)
Luminance	0.8720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF0F4 #F4F3EF

analogous

#EFF3F4 #EFF0F4 #F1EFF4

triadic

#EFF0F4 #F4EFF0 #F0F4EF

tetradic

#EFF0F4 #F4EFF3 #F4F3EF #EFF4F1

square

#EFF0F4 #F4EFF3 #F4F3EF #EFF4F1

split-complementary

#EFF0F4 #F4F1EF #F3F4EF

monochromatic

#A6ACC2 #CBCEDB #EDEEF3 #EDEEF3 #EDEEF3

Accessibility & contrast

On white

1.14

#EFF0F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.44

#EFF0F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF0F4

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF0F4	#FFFFFF	#000000	##000000
##EFF0F4	1.00	1.14	18.44	18.44
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.44	21.00	1.00	1.00
##000000	18.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF0F4

Deuteranopia (green-blind)

#EFF0F4

Tritanopia (blue-blind)

#EEF1F1

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff0f4;
/* rgb */ color: rgb(239, 240, 244);
/* oklch */ color: oklch(95.6% 0.005 274.9);

Tailwind

colors: {
  custom: {
    50: '#f4f4f7',
    500: '#eff0f4',
    950: '#000000',
  },
}

SCSS

$custom: #eff0f4;
$custom-light: #f4f4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff0f4",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 244
  },
  "hsl": {
    "h": 228,
    "s": 18.519,
    "l": 94.706
  },
  "oklch": {
    "l": 0.95551,
    "c": 0.00545,
    "h": 274.9
  },
  "luminance": 0.87203
}

Semantic roles & 50–950 ramp

primary

#EFF0F4

secondary

#CBC8BC

accent

#8C499D

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#171717

muted

#858585

Preview Lab

Preview with #EFF0F4

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

Preview Lab → · Contrast checker → · Palette generator →