#EFEFF3#EFEFF3

#EFEFF3 is a very light, near-neutral blue. Relative luminance 0.866; OKLCH L 95.3% C 0.005 H 286.4°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#EFEFF3
RGB	rgb(239, 239, 243)
HSL	hsl(240, 14%, 95%)
HSV	hsv(240, 2%, 95%)
CMYK	cmyk(1.6%, 1.6%, 0%, 4.7%)
CIE-LAB	lab(94.55, 0.71, -1.93)
CIE-LCH	lch(94.55, 2.05, 290.34°)
OKLab	oklab(95.33% 0.0015 -0.0051)
OKLCH	oklch(95.33% 0.005 286.4)
XYZ	xyz(82.6380, 86.5547, 97.1298)
Luminance	0.8656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEFF3 #F3F3EF

analogous

#EFF1F3 #EFEFF3 #F1EFF3

triadic

#EFEFF3 #F3EFEF #EFF3EF

tetradic

#EFEFF3 #F3EFF1 #F3F3EF #EFF3F1

square

#EFEFF3 #F3EFF1 #F3F3EF #EFF3F1

split-complementary

#EFEFF3 #F3F1EF #F1F3EF

monochromatic

#A9A9BF #CCCCD9 #EEEEF2 #EEEEF2 #EEEEF2

Accessibility & contrast

On white

1.15

#EFEFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#EFEFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEFF3

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEFF3	#FFFFFF	#000000	##000000
##EFEFF3	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEEFF3

Deuteranopia (green-blind)

#EEEFF3

Tritanopia (blue-blind)

#EEF0F0

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #efeff3;
/* rgb */ color: rgb(239, 239, 243);
/* oklch */ color: oklch(95.3% 0.005 286.4);

Tailwind

colors: {
  custom: {
    50: '#f4f4f7',
    500: '#efeff3',
    950: '#000000',
  },
}

SCSS

$custom: #efeff3;
$custom-light: #f4f4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#efeff3",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 243
  },
  "hsl": {
    "h": 240,
    "s": 14.286,
    "l": 94.51
  },
  "oklch": {
    "l": 0.95327,
    "c": 0.00533,
    "h": 286.4
  },
  "luminance": 0.86555
}

Semantic roles & 50–950 ramp

primary

#EFEFF3

secondary

#C9C9BD

accent

#984D98

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#171717

muted

#858585

Preview Lab

Preview with #EFEFF3

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

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