#EFF0F7#EFF0F7

#EFF0F7 is a very light, near-neutral blue. Relative luminance 0.874; OKLCH L 95.6% C 0.009 H 279.7°. Best body text is #000000 at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#EFF0F7
RGB	rgb(239, 240, 247)
HSL	hsl(233, 33%, 95%)
HSV	hsv(233, 3%, 97%)
CMYK	cmyk(3.2%, 2.8%, 0%, 3.1%)
CIE-LAB	lab(94.90, 0.93, -3.48)
CIE-LCH	lch(94.90, 3.60, 284.91°)
OKLab	oklab(95.64% 0.0016 -0.0093)
OKLCH	oklch(95.64% 0.009 279.7)
XYZ	xyz(83.5422, 87.3861, 100.4436)
Luminance	0.8739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF0F7 #F7F6EF

analogous

#EFF4F7 #EFF0F7 #F2EFF7

triadic

#EFF0F7 #F7EFF0 #F0F7EF

tetradic

#EFF0F7 #F7EFF4 #F7F6EF #EFF7F2

square

#EFF0F7 #F7EFF4 #F7F6EF #EFF7F2

split-complementary

#EFF0F7 #F7F2EF #F4F7EF

monochromatic

#9DA3CE #C6CAE3 #EBECF5 #EBECF5 #EBECF5

Accessibility & contrast

On white

1.14

#EFF0F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.48

#EFF0F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF0F7

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF0F7	#FFFFFF	#000000	##000000
##EFF0F7	1.00	1.14	18.48	18.48
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.48	21.00	1.00	1.00
##000000	18.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF1F7

Deuteranopia (green-blind)

#EEF0F7

Tritanopia (blue-blind)

#EDF1F2

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff0f7;
/* rgb */ color: rgb(239, 240, 247);
/* oklch */ color: oklch(95.6% 0.009 279.7);

Tailwind

colors: {
  custom: {
    50: '#f4f4f9',
    500: '#eff0f7',
    950: '#000000',
  },
}

SCSS

$custom: #eff0f7;
$custom-light: #f4f4f9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff0f7",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 247
  },
  "hsl": {
    "h": 232.5,
    "s": 33.333,
    "l": 95.294
  },
  "oklch": {
    "l": 0.95638,
    "c": 0.0094,
    "h": 279.7
  },
  "luminance": 0.87386
}

Semantic roles & 50–950 ramp

primary

#EFF0F7

secondary

#D3CFB8

accent

#9E39AC

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF0F7

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

Preview Lab → · Contrast checker → · Palette generator →