#EFF0F3#EFF0F3

#EFF0F3 is a very light, near-neutral blue. Relative luminance 0.871; OKLCH L 95.5% C 0.004 H 271.4°. Best body text is #000000 at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#EFF0F3
RGB	rgb(239, 240, 243)
HSL	hsl(225, 14%, 95%)
HSV	hsv(225, 2%, 95%)
CMYK	cmyk(1.6%, 1.2%, 0%, 4.7%)
CIE-LAB	lab(94.80, 0.20, -1.56)
CIE-LCH	lch(94.80, 1.57, 277.41°)
OKLab	oklab(95.52% 0.0001 -0.0041)
OKLCH	oklch(95.52% 0.004 271.4)
XYZ	xyz(82.9315, 87.1419, 97.2277)
Luminance	0.8714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF0F3 #F3F2EF

analogous

#EFF2F3 #EFF0F3 #F0EFF3

triadic

#EFF0F3 #F3EFF0 #F0F3EF

tetradic

#EFF0F3 #F3EFF2 #F3F2EF #EFF3F0

square

#EFF0F3 #F3EFF2 #F3F2EF #EFF3F0

split-complementary

#EFF0F3 #F3F0EF #F2F3EF

monochromatic

#A9AEBF #CCCFD9 #EEEFF2 #EEEFF2 #EEEFF2

Accessibility & contrast

On white

1.14

#EFF0F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.43

#EFF0F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF0F3

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF0F3	#FFFFFF	#000000	##000000
##EFF0F3	1.00	1.14	18.43	18.43
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.43	21.00	1.00	1.00
##000000	18.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF0F3

Deuteranopia (green-blind)

#EFF0F3

Tritanopia (blue-blind)

#EEF1F1

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff0f3;
/* rgb */ color: rgb(239, 240, 243);
/* oklch */ color: oklch(95.5% 0.004 271.4);

Tailwind

colors: {
  custom: {
    50: '#f4f4f7',
    500: '#eff0f3',
    950: '#000000',
  },
}

SCSS

$custom: #eff0f3;
$custom-light: #f4f4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff0f3",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 243
  },
  "hsl": {
    "h": 225,
    "s": 14.286,
    "l": 94.51
  },
  "oklch": {
    "l": 0.95523,
    "c": 0.00415,
    "h": 271.4
  },
  "luminance": 0.87142
}

Semantic roles & 50–950 ramp

primary

#EFF0F3

secondary

#C9C6BD

accent

#864D98

background

#FFFFFF

surface

#FEFEFE

border

#D6D6D6

text

#171717

muted

#858585

Preview Lab

Preview with #EFF0F3

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

Preview Lab → · Contrast checker → · Palette generator →