#EFF6FB#EFF6FB

#EFF6FB is a very light, near-neutral cyan. Relative luminance 0.912; OKLCH L 96.9% C 0.010 H 238.5°. Best body text is #000000 at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFF6FB
RGB	rgb(239, 246, 251)
HSL	hsl(205, 60%, 96%)
HSV	hsv(205, 5%, 98%)
CMYK	cmyk(4.8%, 2%, 0%, 1.6%)
CIE-LAB	lab(96.50, -1.40, -3.20)
CIE-LCH	lch(96.50, 3.49, 246.43°)
OKLab	oklab(96.93% -0.0052 -0.0085)
OKLCH	oklch(96.93% 0.01 238.5)
XYZ	xyz(85.9616, 91.2268, 104.3279)
Luminance	0.9123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF6FB #FBF4EF

analogous

#EFFBFA #EFF6FB #EFF0FB

triadic

#EFF6FB #FBEFF6 #F6FBEF

tetradic

#EFF6FB #FAEFFB #FBF4EF #F0FBEF

square

#EFF6FB #FAEFFB #FBF4EF #F0FBEF

split-complementary

#EFF6FB #FBEFF0 #FBFAEF

monochromatic

#8DBFE3 #BEDAEF #E7F1F9 #E7F1F9 #E7F1F9

Accessibility & contrast

On white

1.09

#EFF6FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.25

#EFF6FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF6FB

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF6FB	#FFFFFF	#000000	##000000
##EFF6FB	1.00	1.09	19.25	19.25
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.25	21.00	1.00	1.00
##000000	19.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4F6FB

Deuteranopia (green-blind)

#F2F4FB

Tritanopia (blue-blind)

#ECF7F8

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #eff6fb;
/* rgb */ color: rgb(239, 246, 251);
/* oklch */ color: oklch(96.9% 0.010 238.5);

Tailwind

colors: {
  custom: {
    50: '#f4f9fc',
    500: '#eff6fb',
    950: '#000000',
  },
}

SCSS

$custom: #eff6fb;
$custom-light: #f4f9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff6fb",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 251
  },
  "hsl": {
    "h": 205,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.96931,
    "c": 0.01003,
    "h": 238.5
  },
  "luminance": 0.91227
}

Semantic roles & 50–950 ramp

primary

#EFF6FB

secondary

#DFC3B0

accent

#651EC8

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF6FB

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

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