#EFF4FE#EFF4FE

#EFF4FE is a very light, near-neutral blue. Relative luminance 0.902; OKLCH L 96.6% C 0.014 H 264.5°. Best body text is #000000 at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#EFF4FE
RGB	rgb(239, 244, 254)
HSL	hsl(220, 88%, 97%)
HSV	hsv(220, 6%, 100%)
CMYK	cmyk(5.9%, 3.9%, 0%, 0.4%)
CIE-LAB	lab(96.08, 0.18, -5.37)
CIE-LCH	lch(96.08, 5.37, 271.88°)
OKLab	oklab(96.63% -0.0014 -0.0143)
OKLCH	oklch(96.63% 0.014 264.5)
XYZ	xyz(85.8332, 90.2073, 106.6365)
Luminance	0.9021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF4FE #FEF9EF

analogous

#EFFCFE #EFF4FE #F2EFFE

triadic

#EFF4FE #FEEFF4 #F4FEEF

tetradic

#EFF4FE #FEEFFC #FEF9EF #EFFEF2

square

#EFF4FE #FEEFFC #FEF9EF #EFFEF2

split-complementary

#EFF4FE #FEF2EF #FCFEEF

monochromatic

#7CA5F7 #B5CCFA #E2EBFD #E2EBFD #E2EBFD

Accessibility & contrast

On white

1.10

#EFF4FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.04

#EFF4FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF4FE

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF4FE	#FFFFFF	#000000	##000000
##EFF4FE	1.00	1.10	19.04	19.04
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.04	21.00	1.00	1.00
##000000	19.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1F4FF

Deuteranopia (green-blind)

#F0F3FE

Tritanopia (blue-blind)

#ECF6F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eff4fe;
/* rgb */ color: rgb(239, 244, 254);
/* oklch */ color: oklch(96.6% 0.014 264.5);

Tailwind

colors: {
  custom: {
    50: '#f4f7fe',
    500: '#eff4fe',
    950: '#000000',
  },
}

SCSS

$custom: #eff4fe;
$custom-light: #f4f7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#eff4fe",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 254
  },
  "hsl": {
    "h": 220,
    "s": 88.235,
    "l": 96.667
  },
  "oklch": {
    "l": 0.96627,
    "c": 0.01442,
    "h": 264.5
  },
  "luminance": 0.90208
}

Semantic roles & 50–950 ramp

primary

#EFF4FE

secondary

#EAD4A7

accent

#9901E5

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF4FE

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

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