#EFF7FF

Closest named color: Alice Blue (#F0F8FF). oklch(97.2% 0.014 248), rgb(239, 247, 255).

Aa

Black text reads best on this color (19.41:1).

About this color

#EFF7FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.003 away. Black text reads best on it, at 19.41:1.

Hue familyNeutrals
Lightnessvery light (97%)
Chromaclose to neutral grey (0.014)
Temperatureneutral
Nearest nameAlice Blue (#F0F8FF)
Black text19.41:1
White text1.08:1

Values

HEX#EFF7FF
RGBrgb(239, 247, 255)
HSLhsl(210, 100%, 97%)
OKLCHoklch(97.2% 0.014 248)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #EFF7FF 1.08:1 Fails Lc 0.0 Not readable
Black text on #EFF7FF 19.41:1 AAA Lc 100.6 Preferred for body text
#EFF7FF text on white 1.08:1 Fails Lc 0.0 Not readable
#EFF7FF text on black 19.41:1 AAA Lc -101.9 Preferred for body text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 50.

  1. Step 50

    50 (this color)

    #EFF7FF

    oklch(97.2% 0.014 248)

  2. Step 100

    100

    #E7EAED

    oklch(93.6% 0.005 247.9)

  3. Step 200

    200

    #D4DADF

    oklch(88.5% 0.009 242.9)

  4. Step 300

    300

    #B8C2CC

    oklch(80.9% 0.018 248)

  5. Step 400

    400

    #93A3B2

    oklch(70.8% 0.028 246.5)

  6. Step 500

    500

    #798C9F

    oklch(63.2% 0.036 248.4)

  7. Step 600

    600

    #62768A

    oklch(55.7% 0.039 248.5)

  8. Step 700

    700

    #516375

    oklch(49.2% 0.036 248.6)

  9. Step 800

    800

    #42515F

    oklch(42.8% 0.03 246.7)

  10. Step 900

    900

    #38434E

    oklch(37.7% 0.024 248.5)

  11. Step 950

    950

    #21272D

    oklch(26.9% 0.014 248.4)

Export this scale for Tailwind in the Tailwind colors tool

#EFF7FF with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#F4F7FF0.006
Deuteranopia (no green cones)#F2F5FF0.006
Tritanopia (no blue cones)#EBF9F90.012
Achromatopsia (no color)#F6F6F60.014

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EFF7FF, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #EFF7FF in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.