#EFF1FB#EFF1FB

#EFF1FB is a very light, near-neutral blue. Relative luminance 0.882; OKLCH L 96.0% C 0.014 H 277.0°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#EFF1FB
RGB	rgb(239, 241, 251)
HSL	hsl(230, 60%, 96%)
HSV	hsv(230, 5%, 98%)
CMYK	cmyk(4.8%, 4%, 0%, 1.6%)
CIE-LAB	lab(95.26, 1.15, -5.03)
CIE-LCH	lch(95.26, 5.16, 282.87°)
OKLab	oklab(95.95% 0.0017 -0.0134)
OKLCH	oklch(95.95% 0.014 277)
XYZ	xyz(84.4612, 88.2260, 103.8277)
Luminance	0.8823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF1FB #FBF9EF

analogous

#EFF7FB #EFF1FB #F3EFFB

triadic

#EFF1FB #FBEFF1 #F1FBEF

tetradic

#EFF1FB #FBEFF7 #FBF9EF #EFFBF3

square

#EFF1FB #FBEFF7 #FBF9EF #EFFBF3

split-complementary

#EFF1FB #FBF3EF #F7FBEF

monochromatic

#8D9BE3 #BEC6EF #E7EAF9 #E7EAF9 #E7EAF9

Accessibility & contrast

On white

1.13

#EFF1FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#EFF1FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF1FB

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF1FB	#FFFFFF	#000000	##000000
##EFF1FB	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFF2FC

Deuteranopia (green-blind)

#EEF1FB

Tritanopia (blue-blind)

#EDF3F4

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff1fb;
/* rgb */ color: rgb(239, 241, 251);
/* oklch */ color: oklch(96.0% 0.014 277.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5fc',
    500: '#eff1fb',
    950: '#000000',
  },
}

SCSS

$custom: #eff1fb;
$custom-light: #f4f5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff1fb",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 251
  },
  "hsl": {
    "h": 230,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.95951,
    "c": 0.01354,
    "h": 277
  },
  "luminance": 0.88226
}

Semantic roles & 50–950 ramp

primary

#EFF1FB

secondary

#DFD7B0

accent

#AB1EC8

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF1FB

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

Preview Lab → · Contrast checker → · Palette generator →