#EFF1F3#EFF1F3

#EFF1F3 is a very light, near-neutral cyan. Relative luminance 0.877; OKLCH L 95.7% C 0.003 H 247.8°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX#EFF1F3
RGBrgb(239, 241, 243)
HSLhsl(210, 14%, 95%)
HSVhsv(210, 2%, 95%)
CMYKcmyk(1.6%, 0.8%, 0%, 4.7%)
CIE-LABlab(95.05, -0.31, -1.20)
CIE-LCHlch(95.05, 1.23, 255.62°)
OKLaboklab(95.72% -0.0013 -0.0032)
OKLCHoklch(95.72% 0.003 247.8)
XYZxyz(83.2267, 87.7322, 97.3261)
Luminance0.8773 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF1F3 #F3F1EF
analogous
#EFF3F3 #EFF1F3 #EFEFF3
triadic
#EFF1F3 #F3EFF1 #F1F3EF
tetradic
#EFF1F3 #F3EFF3 #F3F1EF #EFF3EF
square
#EFF1F3 #F3EFF3 #F3F1EF #EFF3EF
split-complementary
#EFF1F3 #F3EFEF #F3F3EF
monochromatic
#A9B4BF #CCD2D9 #EEF0F2 #EEF0F2 #EEF0F2

Accessibility & contrast

On white

1.13
#EFF1F3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.55
#EFF1F3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF1F3
18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF1F3#FFFFFF#000000##000000
##EFF1F31.001.1318.5518.55
#FFFFFF1.131.0021.0021.00
#00000018.5521.001.001.00
##00000018.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0F1F3
Deuteranopia (green-blind)
#F0F1F3
Tritanopia (blue-blind)
#EEF1F2
Achromatopsia (no color)
#F1F1F1

Design tokens & code

CSS
--color: #eff1f3;
/* rgb */ color: rgb(239, 241, 243);
/* oklch */ color: oklch(95.7% 0.003 247.8);
Tailwind
colors: {
  custom: {
    50: '#f4f5f7',
    500: '#eff1f3',
    950: '#000000',
  },
}
SCSS
$custom: #eff1f3;
$custom-light: #f4f5f7;
$custom-dark: #000000;
JSON
{
  "hex": "#eff1f3",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 243
  },
  "hsl": {
    "h": 210,
    "s": 14.286,
    "l": 94.51
  },
  "oklch": {
    "l": 0.95719,
    "c": 0.00344,
    "h": 247.8
  },
  "luminance": 0.87732
}

Semantic roles & 50–950 ramp

primary
#EFF1F3
secondary
#C9C3BD
accent
#734D98
background
#FFFFFF
surface
#FEFEFE
border
#D6D6D6
text
#171717
muted
#858585

Preview Lab

Preview with #EFF1F3

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF1F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva