#EFF8FF#EFF8FF

#EFF8FF is a very light, near-neutral cyan. Relative luminance 0.927; OKLCH L 97.4% C 0.013 H 240.9°. Best body text is #000000 at 19.54:1 contrast (WCAG AA passes).

Color values

HEX	#EFF8FF
RGB	rgb(239, 248, 255)
HSL	hsl(206, 100%, 97%)
HSV	hsv(206, 6%, 100%)
CMYK	cmyk(6.3%, 2.7%, 0%, 0%)
CIE-LAB	lab(97.11, -1.67, -4.38)
CIE-LCH	lch(97.11, 4.68, 249.10°)
OKLab	oklab(97.44% -0.0065 -0.0117)
OKLCH	oklch(97.44% 0.013 240.9)
XYZ	xyz(87.2104, 92.7048, 107.8876)
Luminance	0.9271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF8FF #FFF6EF

analogous

#EFFFFE #EFF8FF #EFF0FF

triadic

#EFF8FF #FFEFF8 #F8FFEF

tetradic

#EFF8FF #FEEFFF #FFF6EF #F0FFEF

square

#EFF8FF #FEEFFF #FFF6EF #F0FFEF

split-complementary

#EFF8FF #FFEFF0 #FFFEEF

monochromatic

#75C2FF #B2DDFF #E0F2FF #E0F2FF #E0F2FF

Accessibility & contrast

On white

1.07

#EFF8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.54

#EFF8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF8FF

19.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF8FF	#FFFFFF	#000000	##000000
##EFF8FF	1.00	1.07	19.54	19.54
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.54	21.00	1.00	1.00
##000000	19.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5F8FF

Deuteranopia (green-blind)

#F3F6FF

Tritanopia (blue-blind)

#EBFAFA

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #eff8ff;
/* rgb */ color: rgb(239, 248, 255);
/* oklch */ color: oklch(97.4% 0.013 240.9);

Tailwind

colors: {
  custom: {
    50: '#f4faff',
    500: '#eff8ff',
    950: '#000000',
  },
}

SCSS

$custom: #eff8ff;
$custom-light: #f4faff;
$custom-dark: #000000;

JSON

{
  "hex": "#eff8ff",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 255
  },
  "hsl": {
    "h": 206.25,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.97441,
    "c": 0.0134,
    "h": 240.9
  },
  "luminance": 0.92706
}

Semantic roles & 50–950 ramp

primary

#EFF8FF

secondary

#EFC4A3

accent

#6400E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171718

muted

#858586

Preview Lab

Preview with #EFF8FF

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

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