#EFF6FF#EFF6FF

#EFF6FF is a very light, near-neutral cyan. Relative luminance 0.915; OKLCH L 97.0% C 0.014 H 254.6°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Color values

HEX#EFF6FF
RGBrgb(239, 246, 255)
HSLhsl(214, 100%, 97%)
HSVhsv(214, 6%, 100%)
CMYKcmyk(6.3%, 3.5%, 0%, 0%)
CIE-LABlab(96.61, -0.66, -5.11)
CIE-LCHlch(96.61, 5.15, 262.69°)
OKLaboklab(97.05% -0.0038 -0.0137)
OKLCHoklch(97.05% 0.014 254.6)
XYZxyz(86.5988, 91.4816, 107.6837)
Luminance0.9148 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF6FF #FFF8EF
analogous
#EFFEFF #EFF6FF #F0EFFF
triadic
#EFF6FF #FFEFF6 #F6FFEF
tetradic
#EFF6FF #FFEFFE #FFF8EF #EFFFF0
square
#EFF6FF #FFEFFE #FFF8EF #EFFFF0
split-complementary
#EFF6FF #FFF0EF #FEFFEF
monochromatic
#75B1FF #B2D4FF #E0EEFF #E0EEFF #E0EEFF

Accessibility & contrast

On white

1.09
#EFF6FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.30
#EFF6FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF6FF
19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF6FF#FFFFFF#000000##000000
##EFF6FF1.001.0919.3019.30
#FFFFFF1.091.0021.0021.00
#00000019.3021.001.001.00
##00000019.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3F6FF
Deuteranopia (green-blind)
#F1F5FF
Tritanopia (blue-blind)
#EBF8F9
Achromatopsia (no color)
#F5F5F5

Design tokens & code

CSS
--color: #eff6ff;
/* rgb */ color: rgb(239, 246, 255);
/* oklch */ color: oklch(97.0% 0.014 254.6);
Tailwind
colors: {
  custom: {
    50: '#f4f9ff',
    500: '#eff6ff',
    950: '#000000',
  },
}
SCSS
$custom: #eff6ff;
$custom-light: #f4f9ff;
$custom-dark: #000000;
JSON
{
  "hex": "#eff6ff",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 255
  },
  "hsl": {
    "h": 213.75,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.97048,
    "c": 0.01418,
    "h": 254.6
  },
  "luminance": 0.91482
}

Semantic roles & 50–950 ramp

primary
#EFF6FF
secondary
#EFCEA3
accent
#8100E6
background
#FFFFFF
surface
#FEFFFF
border
#D6D7D7
text
#171718
muted
#858586

Preview Lab

Preview with #EFF6FF

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF6FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva