#EFF9FD#EFF9FD

#EFF9FD is a very light, near-neutral cyan. Relative luminance 0.932; OKLCH L 97.6% C 0.012 H 223.5°. Best body text is #000000 at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFF9FD
RGB	rgb(239, 249, 253)
HSL	hsl(197, 78%, 96%)
HSV	hsv(197, 6%, 99%)
CMYK	cmyk(5.5%, 1.6%, 0%, 0.8%)
CIE-LAB	lab(97.31, -2.55, -3.05)
CIE-LCH	lch(97.31, 3.98, 230.16°)
OKLab	oklab(97.58% -0.0086 -0.0082)
OKLCH	oklch(97.58% 0.012 223.5)
XYZ	xyz(87.1984, 93.1932, 106.3036)
Luminance	0.9319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF9FD #FDF3EF

analogous

#EFFDFA #EFF9FD #EFF2FD

triadic

#EFF9FD #FDEFF9 #F9FDEF

tetradic

#EFF9FD #FAEFFD #FDF3EF #F2FDEF

square

#EFF9FD #FAEFFD #FDF3EF #F2FDEF

split-complementary

#EFF9FD #FDEFF2 #FDFAEF

monochromatic

#82D0EF #B9E5F6 #E4F5FC #E4F5FC #E4F5FC

Accessibility & contrast

On white

1.07

#EFF9FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.64

#EFF9FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF9FD

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF9FD	#FFFFFF	#000000	##000000
##EFF9FD	1.00	1.07	19.64	19.64
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.64	21.00	1.00	1.00
##000000	19.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7F8FD

Deuteranopia (green-blind)

#F4F6FD

Tritanopia (blue-blind)

#ECFAFA

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #eff9fd;
/* rgb */ color: rgb(239, 249, 253);
/* oklch */ color: oklch(97.6% 0.012 223.5);

Tailwind

colors: {
  custom: {
    50: '#f4fbfe',
    500: '#eff9fd',
    950: '#000000',
  },
}

SCSS

$custom: #eff9fd;
$custom-light: #f4fbfe;
$custom-dark: #000000;

JSON

{
  "hex": "#eff9fd",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 253
  },
  "hsl": {
    "h": 197.143,
    "s": 77.778,
    "l": 96.471
  },
  "oklch": {
    "l": 0.9758,
    "c": 0.01188,
    "h": 223.5
  },
  "luminance": 0.93194
}

Semantic roles & 50–950 ramp

primary

#EFF9FD

secondary

#E6BBAA

accent

#460BDA

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF9FD

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

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