#ECF8FA
Closest named color: Alice Blue (#F0F8FF). oklch(97.1% 0.013 208.8), rgb(236, 248, 250).
Aa
Black text reads best on this color (19.37:1).
About this color
#ECF8FA is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.013. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.009 away. Black text reads best on it, at 19.37:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.37:1 |
| White text | 1.08:1 |
Values
| HEX | #ECF8FA |
| RGB | rgb(236, 248, 250) |
| HSL | hsl(189, 58%, 95%) |
| OKLCH | oklch(97.1% 0.013 208.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ECF8FA | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF8FA | 19.37:1 | AAA | Lc 100.5 | Preferred for body text |
| #ECF8FA text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #ECF8FA text on black | 19.37:1 | AAA | Lc -101.7 | 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.
-
Step 50
50 (this color)
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B5C4C6
oklch(80.9% 0.017 206.4)
-
Step 400
400
#8EA6A9
oklch(70.8% 0.027 205.8)
-
Step 500
500
#729094
oklch(63.2% 0.034 206.3)
-
Step 600
600
#5A7A7F
oklch(55.7% 0.037 208.1)
-
Step 700
700
#4A666B
oklch(49% 0.034 209.7)
-
Step 800
800
#3D5457
oklch(42.8% 0.028 206.1)
-
Step 900
900
#344548
oklch(37.7% 0.022 209.5)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#ECF8FA 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) | #F6F7FA | 0.013 |
| Deuteranopia (no green cones) | #F3F5FA | 0.011 |
| Tritanopia (no blue cones) | #E8F9F9 | 0.006 |
| Achromatopsia (no color) | #F6F6F6 | 0.013 |
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 #ECF8FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.009
- White Smoke #F5F5F5 ΔE 0.013
- Anti-Flash White #EDF2F4 ΔE 0.015
- Cultured #F8F9FA ΔE 0.016
- Ghost White #F8F8FF ΔE 0.018
- Azure #F0FFFF ΔE 0.019
- Light Cyan #E0FFFF ΔE 0.021
- Mint Cream #F5FFFA ΔE 0.023
Use #ECF8FA 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.