#EFEFF8#EFEFF8

#EFEFF8 is a very light, near-neutral blue. Relative luminance 0.869; OKLCH L 95.5% C 0.012 H 286.2°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFEFF8
RGB	rgb(239, 239, 248)
HSL	hsl(240, 39%, 95%)
HSV	hsv(240, 4%, 97%)
CMYK	cmyk(3.6%, 3.6%, 0%, 2.7%)
CIE-LAB	lab(94.68, 1.62, -4.33)
CIE-LCH	lch(94.68, 4.62, 290.53°)
OKLab	oklab(95.47% 0.0033 -0.0115)
OKLCH	oklch(95.47% 0.012 286.2)
XYZ	xyz(83.4033, 86.8609, 101.1607)
Luminance	0.8686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEFF8 #F8F8EF

analogous

#EFF3F8 #EFEFF8 #F3EFF8

triadic

#EFEFF8 #F8EFEF #EFF8EF

tetradic

#EFEFF8 #F8EFF3 #F8F8EF #EFF8F3

square

#EFEFF8 #F8EFF3 #F8F8EF #EFF8F3

split-complementary

#EFEFF8 #F8F3EF #F3F8EF

monochromatic

#9A9AD3 #C4C4E5 #EAEAF6 #EAEAF6 #EAEAF6

Accessibility & contrast

On white

1.14

#EFEFF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#EFEFF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEFF8

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEFF8	#FFFFFF	#000000	##000000
##EFEFF8	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF0F8

Deuteranopia (green-blind)

#EDEFF8

Tritanopia (blue-blind)

#EDF0F2

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #efeff8;
/* rgb */ color: rgb(239, 239, 248);
/* oklch */ color: oklch(95.5% 0.012 286.2);

Tailwind

colors: {
  custom: {
    50: '#f4f4fa',
    500: '#efeff8',
    950: '#000000',
  },
}

SCSS

$custom: #efeff8;
$custom-light: #f4f4fa;
$custom-dark: #000000;

JSON

{
  "hex": "#efeff8",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 248
  },
  "hsl": {
    "h": 240,
    "s": 39.13,
    "l": 95.49
  },
  "oklch": {
    "l": 0.95472,
    "c": 0.012,
    "h": 286.2
  },
  "luminance": 0.86861
}

Semantic roles & 50–950 ramp

primary

#EFEFF8

secondary

#D5D5B6

accent

#B233B2

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFEFF8

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

Preview Lab → · Contrast checker → · Palette generator →