#EFF8FB#EFF8FB

#EFF8FB is a very light, near-neutral cyan. Relative luminance 0.925; OKLCH L 97.3% C 0.010 H 219.6°. Best body text is #000000 at 19.49:1 contrast (WCAG AA passes).

Color values

HEX	#EFF8FB
RGB	rgb(239, 248, 251)
HSL	hsl(195, 60%, 96%)
HSV	hsv(195, 5%, 98%)
CMYK	cmyk(4.8%, 1.2%, 0%, 1.6%)
CIE-LAB	lab(97.00, -2.41, -2.47)
CIE-LCH	lch(97.00, 3.45, 225.65°)
OKLab	oklab(97.32% -0.008 -0.0066)
OKLCH	oklch(97.32% 0.01 219.6)
XYZ	xyz(86.5732, 92.4500, 104.5317)
Luminance	0.9245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF8FB #FBF2EF

analogous

#EFFBF8 #EFF8FB #EFF2FB

triadic

#EFF8FB #FBEFF8 #F8FBEF

tetradic

#EFF8FB #F8EFFB #FBF2EF #F2FBEF

square

#EFF8FB #F8EFFB #FBF2EF #F2FBEF

split-complementary

#EFF8FB #FBEFF2 #FBF8EF

monochromatic

#8DCDE3 #BEE3EF #E7F4F9 #E7F4F9 #E7F4F9

Accessibility & contrast

On white

1.08

#EFF8FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.49

#EFF8FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF8FB

19.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF8FB	#FFFFFF	#000000	##000000
##EFF8FB	1.00	1.08	19.49	19.49
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.49	21.00	1.00	1.00
##000000	19.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6F7FB

Deuteranopia (green-blind)

#F4F6FB

Tritanopia (blue-blind)

#ECF9F9

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #eff8fb;
/* rgb */ color: rgb(239, 248, 251);
/* oklch */ color: oklch(97.3% 0.010 219.6);

Tailwind

colors: {
  custom: {
    50: '#f4fafc',
    500: '#eff8fb',
    950: '#000000',
  },
}

SCSS

$custom: #eff8fb;
$custom-light: #f4fafc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff8fb",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 251
  },
  "hsl": {
    "h": 195,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.97325,
    "c": 0.01037,
    "h": 219.6
  },
  "luminance": 0.92451
}

Semantic roles & 50–950 ramp

primary

#EFF8FB

secondary

#DFBBB0

accent

#481EC8

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF8FB

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

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