#EFF0FB#EFF0FB

#EFF0FB is a very light, near-neutral blue. Relative luminance 0.876; OKLCH L 95.8% C 0.015 H 282.0°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFF0FB
RGB	rgb(239, 240, 251)
HSL	hsl(235, 60%, 96%)
HSV	hsv(235, 5%, 98%)
CMYK	cmyk(4.8%, 4.4%, 0%, 1.6%)
CIE-LAB	lab(95.01, 1.66, -5.40)
CIE-LCH	lch(95.01, 5.65, 287.10°)
OKLab	oklab(95.76% 0.0031 -0.0144)
OKLCH	oklch(95.76% 0.015 282)
XYZ	xyz(84.1660, 87.6356, 103.7293)
Luminance	0.8764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF0FB #FBFAEF

analogous

#EFF6FB #EFF0FB #F4EFFB

triadic

#EFF0FB #FBEFF0 #F0FBEF

tetradic

#EFF0FB #FBEFF6 #FBFAEF #EFFBF4

square

#EFF0FB #FBEFF6 #FBFAEF #EFFBF4

split-complementary

#EFF0FB #FBF4EF #F6FBEF

monochromatic

#8D94E3 #BEC2EF #E7E8F9 #E7E8F9 #E7E8F9

Accessibility & contrast

On white

1.13

#EFF0FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#EFF0FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF0FB

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF0FB	#FFFFFF	#000000	##000000
##EFF0FB	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF1FC

Deuteranopia (green-blind)

#EDF0FB

Tritanopia (blue-blind)

#EDF2F3

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff0fb;
/* rgb */ color: rgb(239, 240, 251);
/* oklch */ color: oklch(95.8% 0.015 282.0);

Tailwind

colors: {
  custom: {
    50: '#f4f4fc',
    500: '#eff0fb',
    950: '#000000',
  },
}

SCSS

$custom: #eff0fb;
$custom-light: #f4f4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff0fb",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 251
  },
  "hsl": {
    "h": 235,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.95756,
    "c": 0.01473,
    "h": 282
  },
  "luminance": 0.87636
}

Semantic roles & 50–950 ramp

primary

#EFF0FB

secondary

#DFDBB0

accent

#BA1EC8

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF0FB

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

Preview Lab → · Contrast checker → · Palette generator →