#ECEFFD

Closest named color: Anti-Flash White (#EDF2F4). oklch(95.4% 0.019 276.3), rgb(236, 239, 253).

Aa

Black text reads best on this color (18.33:1).

About this color

#ECEFFD is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.017 away. Black text reads best on it, at 18.33:1.

Hue familyNeutrals
Lightnessvery light (95%)
Chromaclose to neutral grey (0.019)
Temperatureneutral
Nearest nameAnti-Flash White (#EDF2F4)
Black text18.33:1
White text1.14:1

Values

HEX#ECEFFD
RGBrgb(236, 239, 253)
HSLhsl(229, 81%, 96%)
OKLCHoklch(95.4% 0.019 276.3)

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 #ECEFFD 1.14:1 Fails Lc -8.0 Not readable
Black text on #ECEFFD 18.33:1 AAA Lc 96.8 Preferred for body text
#ECEFFD text on white 1.14:1 Fails Lc 0.0 Not readable
#ECEFFD text on black 18.33:1 AAA Lc -97.7 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)

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  2. Step 100

    100

    #E8E9EF

    oklch(93.5% 0.008 278.6)

  3. Step 200

    200

    #D6D8E2

    oklch(88.4% 0.014 277)

  4. Step 300

    300

    #BCC0D1

    oklch(81% 0.024 275.3)

  5. Step 400

    400

    #9A9FBA

    oklch(70.8% 0.04 277.1)

  6. Step 500

    500

    #8187A8

    oklch(63% 0.05 276.8)

  7. Step 600

    600

    #6A7194

    oklch(55.6% 0.055 275.7)

  8. Step 700

    700

    #595E7E

    oklch(49% 0.052 277.4)

  9. Step 800

    800

    #494D66

    oklch(42.7% 0.042 277.4)

  10. Step 900

    900

    #3D4053

    oklch(37.7% 0.033 277.7)

  11. Step 950

    950

    #242631

    oklch(27.1% 0.021 276.9)

Export this scale for Tailwind in the Tailwind colors tool

#ECEFFD 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)#ECF0FE0.002
Deuteranopia (no green cones)#EBEFFD0.001
Tritanopia (no blue cones)#E9F1F30.017
Achromatopsia (no color)#EFEFEF0.019

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECEFFD

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  • #F3F0E2

    #F3F0E2

    oklch(95.4% 0.019 96.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECEFFD

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  • #E6F1FC

    #E6F1FC

    oklch(95.3% 0.019 248)

  • #F3EDFA

    #F3EDFA

    oklch(95.5% 0.018 306.7)

Open the analogous palette in the generator

Split complementary

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

  • #ECEFFD

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  • #F9EEE3

    #F9EEE3

    oklch(95.5% 0.019 67.6)

  • #ECF2E5

    #ECF2E5

    oklch(95.3% 0.018 127.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECEFFD

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  • #FCECE7

    #FCECE7

    oklch(95.4% 0.019 38.2)

  • #E6F4EB

    #E6F4EB

    oklch(95.4% 0.019 157.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ECEFFD

    #ECEFFD

    oklch(95.4% 0.019 276.3)

  • #FCEBEE

    #FCEBEE

    oklch(95.4% 0.019 5.3)

  • #F3F0E2

    #F3F0E2

    oklch(95.4% 0.019 96.9)

  • #E2F4F2

    #E2F4F2

    oklch(95.3% 0.019 188.8)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #ECEFFD 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.