#EFF4FD#EFF4FD

#EFF4FD is a very light, near-neutral blue. Relative luminance 0.901; OKLCH L 96.6% C 0.013 H 262.4°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFF4FD
RGB	rgb(239, 244, 253)
HSL	hsl(219, 78%, 96%)
HSV	hsv(219, 6%, 99%)
CMYK	cmyk(5.5%, 3.6%, 0%, 0.8%)
CIE-LAB	lab(96.06, -0.01, -4.89)
CIE-LCH	lch(96.06, 4.89, 269.89°)
OKLab	oklab(96.6% -0.0017 -0.0131)
OKLCH	oklch(96.6% 0.013 262.4)
XYZ	xyz(85.6735, 90.1435, 105.7953)
Luminance	0.9014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF4FD #FDF8EF

analogous

#EFFBFD #EFF4FD #F1EFFD

triadic

#EFF4FD #FDEFF4 #F4FDEF

tetradic

#EFF4FD #FDEFFB #FDF8EF #EFFDF1

square

#EFF4FD #FDEFFB #FDF8EF #EFFDF1

split-complementary

#EFF4FD #FDF1EF #FBFDEF

monochromatic

#82A9EF #B9CFF6 #E4ECFC #E4ECFC #E4ECFC

Accessibility & contrast

On white

1.10

#EFF4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#EFF4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF4FD

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF4FD	#FFFFFF	#000000	##000000
##EFF4FD	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F4FD

Deuteranopia (green-blind)

#F0F3FD

Tritanopia (blue-blind)

#ECF6F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eff4fd;
/* rgb */ color: rgb(239, 244, 253);
/* oklch */ color: oklch(96.6% 0.013 262.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7fe',
    500: '#eff4fd',
    950: '#000000',
  },
}

SCSS

$custom: #eff4fd;
$custom-light: #f4f7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#eff4fd",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 253
  },
  "hsl": {
    "h": 218.571,
    "s": 77.778,
    "l": 96.471
  },
  "oklch": {
    "l": 0.96597,
    "c": 0.01319,
    "h": 262.4
  },
  "luminance": 0.90144
}

Semantic roles & 50–950 ramp

primary

#EFF4FD

secondary

#E6D1AA

accent

#900BDA

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF4FD

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

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