#EFEFF9#EFEFF9

#EFEFF9 is a very light, near-neutral blue. Relative luminance 0.869; OKLCH L 95.5% C 0.013 H 286.1°. Best body text is #000000 at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#EFEFF9
RGB	rgb(239, 239, 249)
HSL	hsl(240, 45%, 96%)
HSV	hsv(240, 4%, 98%)
CMYK	cmyk(4%, 4%, 0%, 2.4%)
CIE-LAB	lab(94.71, 1.80, -4.81)
CIE-LCH	lch(94.71, 5.14, 290.57°)
OKLab	oklab(95.5% 0.0037 -0.0128)
OKLCH	oklch(95.5% 0.013 286.1)
XYZ	xyz(83.5589, 86.9231, 101.9799)
Luminance	0.8692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEFF9 #F9F9EF

analogous

#EFF4F9 #EFEFF9 #F4EFF9

triadic

#EFEFF9 #F9EFEF #EFF9EF

tetradic

#EFEFF9 #F9EFF4 #F9F9EF #EFF9F4

square

#EFEFF9 #F9EFF4 #F9F9EF #EFF9F4

split-complementary

#EFEFF9 #F9F4EF #F4F9EF

monochromatic

#9696D8 #C2C2E8 #E9E9F7 #E9E9F7 #E9E9F7

Accessibility & contrast

On white

1.14

#EFEFF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.38

#EFEFF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEFF9

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEFF9	#FFFFFF	#000000	##000000
##EFEFF9	1.00	1.14	18.38	18.38
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.38	21.00	1.00	1.00
##000000	18.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF0FA

Deuteranopia (green-blind)

#EDEFF9

Tritanopia (blue-blind)

#EDF1F2

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #efeff9;
/* rgb */ color: rgb(239, 239, 249);
/* oklch */ color: oklch(95.5% 0.013 286.1);

Tailwind

colors: {
  custom: {
    50: '#f4f4fb',
    500: '#efeff9',
    950: '#000000',
  },
}

SCSS

$custom: #efeff9;
$custom-light: #f4f4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#efeff9",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 249
  },
  "hsl": {
    "h": 240,
    "s": 45.455,
    "l": 95.686
  },
  "oklch": {
    "l": 0.95502,
    "c": 0.01335,
    "h": 286.1
  },
  "luminance": 0.86923
}

Semantic roles & 50–950 ramp

primary

#EFEFF9

secondary

#D8D8B4

accent

#B92DB9

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFEFF9

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

Preview Lab → · Contrast checker → · Palette generator →