#ECF8FD
Closest named color: Alice Blue (#F0F8FF). oklch(97.2% 0.014 224.5), rgb(236, 248, 253).
Aa
Black text reads best on this color (19.41:1).
About this color
#ECF8FD 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 0.006 away. Black text reads best on it, at 19.41:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.41:1 |
| White text | 1.08:1 |
Values
| HEX | #ECF8FD |
| RGB | rgb(236, 248, 253) |
| HSL | hsl(198, 81%, 96%) |
| OKLCH | oklch(97.2% 0.014 224.5) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ECF8FD | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF8FD | 19.41:1 | AAA | Lc 100.6 | Preferred for body text |
| #ECF8FD text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #ECF8FD 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.
-
Step 50
50 (this color)
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8EA5AF
oklch(70.8% 0.03 225.9)
-
Step 500
500
#718F9B
oklch(63.1% 0.038 224.2)
-
Step 600
600
#597985
oklch(55.6% 0.041 223)
-
Step 700
700
#496671
oklch(49.2% 0.038 223.4)
-
Step 800
800
#3C535C
oklch(42.7% 0.032 224)
-
Step 900
900
#34454B
oklch(37.8% 0.024 221.5)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#ECF8FD 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #F5F7FD | 0.012 |
| Deuteranopia (no green cones) | #F2F5FD | 0.010 |
| Tritanopia (no blue cones) | #E8FAF9 | 0.010 |
| Achromatopsia (no color) | #F6F6F6 | 0.014 |
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 #ECF8FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.006
- White Smoke #F5F5F5 ΔE 0.014
- Ghost White #F8F8FF ΔE 0.016
- Anti-Flash White #EDF2F4 ΔE 0.016
- Cultured #F8F9FA ΔE 0.016
- Azure #F0FFFF ΔE 0.019
- Light Cyan #E0FFFF ΔE 0.021
- Mint Cream #F5FFFA ΔE 0.024
Use #ECF8FD 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.