#EFEFFB#EFEFFB

#EFEFFB is a very light, near-neutral blue. Relative luminance 0.870; OKLCH L 95.6% C 0.016 H 286.1°. Best body text is #000000 at 18.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFEFFB
RGB	rgb(239, 239, 251)
HSL	hsl(240, 60%, 96%)
HSV	hsv(240, 5%, 98%)
CMYK	cmyk(4.8%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(94.76, 2.17, -5.77)
CIE-LCH	lch(94.76, 6.16, 290.65°)
OKLab	oklab(95.56% 0.0044 -0.0154)
OKLCH	oklch(95.56% 0.016 286.1)
XYZ	xyz(83.8725, 87.0485, 103.6315)
Luminance	0.8705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEFFB #FBFBEF

analogous

#EFF5FB #EFEFFB #F5EFFB

triadic

#EFEFFB #FBEFEF #EFFBEF

tetradic

#EFEFFB #FBEFF5 #FBFBEF #EFFBF5

square

#EFEFFB #FBEFF5 #FBFBEF #EFFBF5

split-complementary

#EFEFFB #FBF5EF #F5FBEF

monochromatic

#8D8DE3 #BEBEEF #E7E7F9 #E7E7F9 #E7E7F9

Accessibility & contrast

On white

1.14

#EFEFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.41

#EFEFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEFFB

18.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEFFB	#FFFFFF	#000000	##000000
##EFEFFB	1.00	1.14	18.41	18.41
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.41	21.00	1.00	1.00
##000000	18.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECF0FC

Deuteranopia (green-blind)

#ECF0FB

Tritanopia (blue-blind)

#EDF1F3

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #efeffb;
/* rgb */ color: rgb(239, 239, 251);
/* oklch */ color: oklch(95.6% 0.016 286.1);

Tailwind

colors: {
  custom: {
    50: '#f4f4fc',
    500: '#efeffb',
    950: '#000000',
  },
}

SCSS

$custom: #efeffb;
$custom-light: #f4f4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#efeffb",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 240,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.95561,
    "c": 0.01602,
    "h": 286.1
  },
  "luminance": 0.87049
}

Semantic roles & 50–950 ramp

primary

#EFEFFB

secondary

#DFDFB0

accent

#C81EC8

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFEFFB

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

Preview Lab → · Contrast checker → · Palette generator →