#EFF4FC#EFF4FC

#EFF4FC is a very light, near-neutral blue. Relative luminance 0.901; OKLCH L 96.6% C 0.012 H 259.8°. Best body text is #000000 at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#EFF4FC
RGB	rgb(239, 244, 252)
HSL	hsl(217, 68%, 96%)
HSV	hsv(217, 5%, 99%)
CMYK	cmyk(5.2%, 3.2%, 0%, 1.2%)
CIE-LAB	lab(96.03, -0.19, -4.41)
CIE-LCH	lch(96.03, 4.42, 267.47°)
OKLab	oklab(96.57% -0.0021 -0.0118)
OKLCH	oklch(96.57% 0.012 259.8)
XYZ	xyz(85.5146, 90.0799, 104.9586)
Luminance	0.9008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF4FC #FCF7EF

analogous

#EFFBFC #EFF4FC #F1EFFC

triadic

#EFF4FC #FCEFF4 #F4FCEF

tetradic

#EFF4FC #FCEFFB #FCF7EF #EFFCF1

square

#EFF4FC #FCEFFB #FCF7EF #EFFCF1

split-complementary

#EFF4FC #FCF1EF #FBFCEF

monochromatic

#88ADE9 #BBD1F2 #E5EDFA #E5EDFA #E5EDFA

Accessibility & contrast

On white

1.10

#EFF4FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.02

#EFF4FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF4FC

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF4FC	#FFFFFF	#000000	##000000
##EFF4FC	1.00	1.10	19.02	19.02
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.02	21.00	1.00	1.00
##000000	19.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2F4FC

Deuteranopia (green-blind)

#F0F3FC

Tritanopia (blue-blind)

#ECF6F6

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eff4fc;
/* rgb */ color: rgb(239, 244, 252);
/* oklch */ color: oklch(96.6% 0.012 259.8);

Tailwind

colors: {
  custom: {
    50: '#f4f7fd',
    500: '#eff4fc',
    950: '#000000',
  },
}

SCSS

$custom: #eff4fc;
$custom-light: #f4f7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#eff4fc",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 252
  },
  "hsl": {
    "h": 216.923,
    "s": 68.421,
    "l": 96.275
  },
  "oklch": {
    "l": 0.96568,
    "c": 0.01198,
    "h": 259.8
  },
  "luminance": 0.9008
}

Semantic roles & 50–950 ramp

primary

#EFF4FC

secondary

#E2CEAD

accent

#8815D0

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF4FC

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

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