#EFF3F4#EFF3F4

#EFF3F4 is a very light, near-neutral cyan. Relative luminance 0.890; OKLCH L 96.1% C 0.004 H 214.4°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3F4
RGB	rgb(239, 243, 244)
HSL	hsl(192, 19%, 95%)
HSV	hsv(192, 2%, 96%)
CMYK	cmyk(2%, 0.4%, 0%, 4.3%)
CIE-LAB	lab(95.57, -1.14, -0.94)
CIE-LCH	lch(95.57, 1.48, 219.53°)
OKLab	oklab(96.14% -0.0037 -0.0025)
OKLCH	oklch(96.14% 0.004 214.4)
XYZ	xyz(83.9734, 88.9833, 98.3220)
Luminance	0.8898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3F4 #F4F0EF

analogous

#EFF4F3 #EFF3F4 #EFF1F4

triadic

#EFF3F4 #F4EFF3 #F3F4EF

tetradic

#EFF3F4 #F3EFF4 #F4F0EF #F1F4EF

square

#EFF3F4 #F3EFF4 #F4F0EF #F1F4EF

split-complementary

#EFF3F4 #F4EFF1 #F4F3EF

monochromatic

#A6BDC2 #CBD8DB #EDF1F3 #EDF1F3 #EDF1F3

Accessibility & contrast

On white

1.12

#EFF3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#EFF3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3F4

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3F4	#FFFFFF	#000000	##000000
##EFF3F4	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F3F4

Deuteranopia (green-blind)

#F1F2F4

Tritanopia (blue-blind)

#EEF3F3

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #eff3f4;
/* rgb */ color: rgb(239, 243, 244);
/* oklch */ color: oklch(96.1% 0.004 214.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7f7',
    500: '#eff3f4',
    950: '#000000',
  },
}

SCSS

$custom: #eff3f4;
$custom-light: #f4f7f7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3f4",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 244
  },
  "hsl": {
    "h": 192,
    "s": 18.519,
    "l": 94.706
  },
  "oklch": {
    "l": 0.9614,
    "c": 0.00448,
    "h": 214.4
  },
  "luminance": 0.88984
}

Semantic roles & 50–950 ramp

primary

#EFF3F4

secondary

#CBBFBC

accent

#5A499D

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#171717

muted

#858585

Preview Lab

Preview with #EFF3F4

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

Preview Lab → · Contrast checker → · Palette generator →