#EFF0FF#EFF0FF

#EFF0FF is a very light, muted blue. Relative luminance 0.879; OKLCH L 95.9% C 0.020 H 282.9°. Best body text is #000000 at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFF0FF
RGB	rgb(239, 240, 255)
HSL	hsl(236, 100%, 97%)
HSV	hsv(236, 6%, 100%)
CMYK	cmyk(6.3%, 5.9%, 0%, 0%)
CIE-LAB	lab(95.11, 2.41, -7.32)
CIE-LCH	lch(95.11, 7.70, 288.21°)
OKLab	oklab(95.88% 0.0045 -0.0196)
OKLCH	oklch(95.88% 0.02 282.9)
XYZ	xyz(84.8032, 87.8905, 107.0852)
Luminance	0.8789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF0FF #FFFEEF

analogous

#EFF8FF #EFF0FF #F6EFFF

triadic

#EFF0FF #FFEFF0 #F0FFEF

tetradic

#EFF0FF #FFEFF8 #FFFEEF #EFFFF6

square

#EFF0FF #FFEFF8 #FFFEEF #EFFFF6

split-complementary

#EFF0FF #FFF6EF #F8FFEF

monochromatic

#757DFF #B2B7FF #E0E2FF #E0E2FF #E0E2FF

Accessibility & contrast

On white

1.13

#EFF0FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.58

#EFF0FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF0FF

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF0FF	#FFFFFF	#000000	##000000
##EFF0FF	1.00	1.13	18.58	18.58
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.58	21.00	1.00	1.00
##000000	18.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF1FF

Deuteranopia (green-blind)

#ECF0FF

Tritanopia (blue-blind)

#ECF2F5

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff0ff;
/* rgb */ color: rgb(239, 240, 255);
/* oklch */ color: oklch(95.9% 0.020 282.9);

Tailwind

colors: {
  custom: {
    50: '#f4f4ff',
    500: '#eff0ff',
    950: '#000000',
  },
}

SCSS

$custom: #eff0ff;
$custom-light: #f4f4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#eff0ff",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 255
  },
  "hsl": {
    "h": 236.25,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.95876,
    "c": 0.02008,
    "h": 282.9
  },
  "luminance": 0.87891
}

Semantic roles & 50–950 ramp

primary

#EFF0FF

secondary

#EFEAA3

accent

#D700E6

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171718

muted

#858586

Preview Lab

Preview with #EFF0FF

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

Preview Lab → · Contrast checker → · Palette generator →