#EFF0FD

Closest named color: Anti-Flash White (#EDF2F4). oklch(95.8% 0.017 282.5), rgb(239, 240, 253).

Aa

Black text reads best on this color (18.55:1).

About this color

#EFF0FD is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.015 away. Black text reads best on it, at 18.55:1.

Hue familyNeutrals
Lightnessvery light (96%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameAnti-Flash White (#EDF2F4)
Black text18.55:1
White text1.13:1

Values

HEX#EFF0FD
RGBrgb(239, 240, 253)
HSLhsl(236, 78%, 96%)
OKLCHoklch(95.8% 0.017 282.5)

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 #EFF0FD 1.13:1 Fails Lc 0.0 Not readable
Black text on #EFF0FD 18.55:1 AAA Lc 97.6 Preferred for body text
#EFF0FD text on white 1.13:1 Fails Lc 0.0 Not readable
#EFF0FD text on black 18.55:1 AAA Lc -98.5 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)

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  2. Step 100

    100

    #E9E9EE

    oklch(93.5% 0.007 286.3)

  3. Step 200

    200

    #D7D8E1

    oklch(88.4% 0.012 281.1)

  4. Step 300

    300

    #BEBFCF

    oklch(80.9% 0.022 283)

  5. Step 400

    400

    #9D9EB7

    oklch(70.7% 0.036 283.6)

  6. Step 500

    500

    #8586A5

    oklch(63% 0.046 283.5)

  7. Step 600

    600

    #6E7090

    oklch(55.5% 0.05 281.9)

  8. Step 700

    700

    #5C5E7B

    oklch(49.2% 0.046 281.5)

  9. Step 800

    800

    #4B4D64

    oklch(42.8% 0.038 280.8)

  10. Step 900

    900

    #3F4051

    oklch(37.7% 0.029 282.3)

  11. Step 950

    950

    #252530

    oklch(26.9% 0.02 285)

Export this scale for Tailwind in the Tailwind colors tool

#EFF0FD 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)#EDF1FE0.003
Deuteranopia (no green cones)#EDF0FD0.003
Tritanopia (no blue cones)#ECF2F40.016
Achromatopsia (no color)#F1F1F10.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #EFF0FD

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  • #F3F2E5

    #F3F2E5

    oklch(95.8% 0.017 103.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EFF0FD

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  • #E9F2FD

    #E9F2FD

    oklch(95.8% 0.018 253.3)

  • #F5EEFA

    #F5EEFA

    oklch(95.8% 0.018 311.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #EFF0FD

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  • #F9F0E5

    #F9F0E5

    oklch(95.9% 0.018 73.1)

  • #EDF4E8

    #EDF4E8

    oklch(95.9% 0.018 131.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EFF0FD

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  • #FCEEE8

    #FCEEE8

    oklch(95.9% 0.017 44.8)

  • #E7F5EE

    #E7F5EE

    oklch(95.8% 0.017 164.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EFF0FD

    #EFF0FD

    oklch(95.8% 0.017 282.5)

  • #FDEDEE

    #FDEDEE

    oklch(95.9% 0.017 13.1)

  • #F3F2E5

    #F3F2E5

    oklch(95.8% 0.017 103.1)

  • #E5F5F4

    #E5F5F4

    oklch(95.8% 0.017 192.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EFF0FD, closest first.

Similar named colors

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

Use #EFF0FD 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.