#EFF5FB#EFF5FB

#EFF5FB is a very light, near-neutral cyan. Relative luminance 0.906; OKLCH L 96.7% C 0.010 H 248.0°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFF5FB
RGB	rgb(239, 245, 251)
HSL	hsl(210, 60%, 96%)
HSV	hsv(210, 5%, 98%)
CMYK	cmyk(4.8%, 2.4%, 0%, 1.6%)
CIE-LAB	lab(96.25, -0.89, -3.57)
CIE-LCH	lch(96.25, 3.68, 256.02°)
OKLab	oklab(96.74% -0.0039 -0.0095)
OKLCH	oklch(96.74% 0.01 248)
XYZ	xyz(85.6583, 90.6201, 104.2268)
Luminance	0.9062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF5FB #FBF5EF

analogous

#EFFBFB #EFF5FB #EFEFFB

triadic

#EFF5FB #FBEFF5 #F5FBEF

tetradic

#EFF5FB #FBEFFB #FBF5EF #EFFBEF

square

#EFF5FB #FBEFFB #FBF5EF #EFFBEF

split-complementary

#EFF5FB #FBEFEF #FBFBEF

monochromatic

#8DB8E3 #BED6EF #E7F0F9 #E7F0F9 #E7F0F9

Accessibility & contrast

On white

1.10

#EFF5FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFF5FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF5FB

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF5FB	#FFFFFF	#000000	##000000
##EFF5FB	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3F5FB

Deuteranopia (green-blind)

#F1F4FB

Tritanopia (blue-blind)

#ECF6F7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #eff5fb;
/* rgb */ color: rgb(239, 245, 251);
/* oklch */ color: oklch(96.7% 0.010 248.0);

Tailwind

colors: {
  custom: {
    50: '#f4f8fc',
    500: '#eff5fb',
    950: '#000000',
  },
}

SCSS

$custom: #eff5fb;
$custom-light: #f4f8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#eff5fb",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 251
  },
  "hsl": {
    "h": 210,
    "s": 60,
    "l": 96.078
  },
  "oklch": {
    "l": 0.96735,
    "c": 0.01028,
    "h": 248
  },
  "luminance": 0.90621
}

Semantic roles & 50–950 ramp

primary

#EFF5FB

secondary

#DFC7B0

accent

#731EC8

background

#FFFFFF

surface

#FEFEFF

border

#D6D6D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFF5FB

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

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