#EFF3F6#EFF3F6

#EFF3F6 is a very light, near-neutral cyan. Relative luminance 0.891; OKLCH L 96.2% C 0.006 H 239.8°. Best body text is #000000 at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3F6
RGB	rgb(239, 243, 246)
HSL	hsl(206, 28%, 95%)
HSV	hsv(206, 3%, 96%)
CMYK	cmyk(2.8%, 1.2%, 0%, 3.5%)
CIE-LAB	lab(95.62, -0.78, -1.90)
CIE-LCH	lch(95.62, 2.06, 247.63°)
OKLab	oklab(96.2% -0.003 -0.0051)
OKLCH	oklch(96.2% 0.006 239.8)
XYZ	xyz(84.2787, 89.1054, 99.9299)
Luminance	0.8911 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3F6 #F6F2EF

analogous

#EFF6F5 #EFF3F6 #EFEFF6

triadic

#EFF3F6 #F6EFF3 #F3F6EF

tetradic

#EFF3F6 #F5EFF6 #F6F2EF #EFF6EF

square

#EFF3F6 #F5EFF6 #F6F2EF #EFF6EF

split-complementary

#EFF3F6 #F6EFEF #F6F5EF

monochromatic

#A1B8CA #C8D6E0 #EBF0F4 #EBF0F4 #EBF0F4

Accessibility & contrast

On white

1.12

#EFF3F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.82

#EFF3F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3F6

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3F6	#FFFFFF	#000000	##000000
##EFF3F6	1.00	1.12	18.82	18.82
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.82	21.00	1.00	1.00
##000000	18.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F3F6

Deuteranopia (green-blind)

#F1F2F6

Tritanopia (blue-blind)

#EDF4F4

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #eff3f6;
/* rgb */ color: rgb(239, 243, 246);
/* oklch */ color: oklch(96.2% 0.006 239.8);

Tailwind

colors: {
  custom: {
    50: '#f4f7f9',
    500: '#eff3f6',
    950: '#000000',
  },
}

SCSS

$custom: #eff3f6;
$custom-light: #f4f7f9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3f6",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 246
  },
  "hsl": {
    "h": 205.714,
    "s": 28,
    "l": 95.098
  },
  "oklch": {
    "l": 0.96197,
    "c": 0.00588,
    "h": 239.8
  },
  "luminance": 0.89106
}

Semantic roles & 50–950 ramp

primary

#EFF3F6

secondary

#D0C3B9

accent

#6B3FA7

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF3F6

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

Preview Lab → · Contrast checker → · Palette generator →