#ECFCFE

Closest named color: Azure (#F0FFFF). oklch(98% 0.017 205.8), rgb(236, 252, 254).

Aa

Black text reads best on this color (19.92:1).

About this color

#ECFCFE is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Azure (#F0FFFF), ΔE 0.010 away. Black text reads best on it, at 19.92:1.

Hue familyNeutrals
Lightnessvery light (98%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameAzure (#F0FFFF)
Black text19.92:1
White text1.05:1

Values

HEX#ECFCFE
RGBrgb(236, 252, 254)
HSLhsl(187, 90%, 96%)
OKLCHoklch(98% 0.017 205.8)

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 #ECFCFE 1.05:1 Fails Lc 0.0 Not readable
Black text on #ECFCFE 19.92:1 AAA Lc 102.4 Preferred for body text
#ECFCFE text on white 1.05:1 Fails Lc 0.0 Not readable
#ECFCFE text on black 19.92:1 AAA Lc -103.8 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)

    #ECFCFE

    oklch(98% 0.017 205.8)

  2. Step 100

    100

    #E5EBEC

    oklch(93.6% 0.007 208.8)

  3. Step 200

    200

    #D0DCDD

    oklch(88.6% 0.013 202.9)

  4. Step 300

    300

    #B1C5C7

    oklch(80.9% 0.022 204)

  5. Step 400

    400

    #88A7AB

    oklch(70.6% 0.035 206)

  6. Step 500

    500

    #699297

    oklch(63.2% 0.046 205.5)

  7. Step 600

    600

    #507C81

    oklch(55.6% 0.049 204.9)

  8. Step 700

    700

    #41686D

    oklch(49% 0.045 206.1)

  9. Step 800

    800

    #365559

    oklch(42.7% 0.037 206.1)

  10. Step 900

    900

    #2F4649

    oklch(37.6% 0.029 206.2)

  11. Step 950

    950

    #1C292B

    oklch(27% 0.018 207.9)

Export this scale for Tailwind in the Tailwind colors tool

#ECFCFE 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)#F9FAFE0.017
Deuteranopia (no green cones)#F6F8FE0.016
Tritanopia (no blue cones)#E7FDFD0.007
Achromatopsia (no color)#F9F9F90.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECFCFE

    #ECFCFE

    oklch(98% 0.017 205.8)

  • #FFF6F5

    #FFF6F5

    oklch(98% 0.01 25.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECFCFE

    #ECFCFE

    oklch(98% 0.017 205.8)

  • #EDFCF8

    #EDFCF8

    oklch(97.9% 0.017 178.3)

  • #F2FAFF

    #F2FAFF

    oklch(98.1% 0.011 234.8)

Open the analogous palette in the generator

Split complementary

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

  • #ECFCFE

    #ECFCFE

    oklch(98% 0.017 205.8)

  • #FFF5F9

    #FFF5F9

    oklch(97.9% 0.012 351)

  • #FFF7F1

    #FFF7F1

    oklch(98.1% 0.012 59.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECFCFE

    #ECFCFE

    oklch(98% 0.017 205.8)

  • #FFF5FF

    #FFF5FF

    oklch(98.1% 0.017 325.7)

  • #FEF8EC

    #FEF8EC

    oklch(98.1% 0.017 84.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ECFCFE

    #ECFCFE

    oklch(98% 0.017 205.8)

  • #F9F7FF

    #F9F7FF

    oklch(98% 0.011 297.6)

  • #FFF6F5

    #FFF6F5

    oklch(98% 0.01 25.1)

  • #F8FAED

    #F8FAED

    oklch(98% 0.017 113.8)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #ECFCFE 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.