#ECF9F8
Closest named color: Alice Blue (#F0F8FF). oklch(97.2% 0.014 191.4), rgb(236, 249, 248).
Aa
Black text reads best on this color (19.47:1).
About this color
#ECF9F8 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 0.012 away. Black text reads best on it, at 19.47:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.47:1 |
| White text | 1.07:1 |
Values
| HEX | #ECF9F8 |
| RGB | rgb(236, 249, 248) |
| HSL | hsl(175, 52%, 95%) |
| OKLCH | oklch(97.2% 0.014 191.4) |
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 #ECF9F8 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF9F8 | 19.47:1 | AAA | Lc 100.8 | Preferred for body text |
| #ECF9F8 text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #ECF9F8 text on black | 19.47:1 | AAA | Lc -102.1 | 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)
#ECF9F8
oklch(97.2% 0.014 191.4)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B4C4C3
oklch(80.8% 0.018 192.3)
-
Step 400
400
#8DA7A5
oklch(70.8% 0.029 190.8)
-
Step 500
500
#71918F
oklch(63.2% 0.036 191.5)
-
Step 600
600
#587B79
oklch(55.6% 0.04 191.6)
-
Step 700
700
#486866
oklch(49.2% 0.037 191.1)
-
Step 800
800
#3C5453
oklch(42.6% 0.029 192.9)
-
Step 900
900
#334645
oklch(37.8% 0.024 192.1)
-
Step 950
950
#1E2928
oklch(27% 0.015 189.4)
#ECF9F8 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) | #F7F7F8 | 0.015 |
| Deuteranopia (no green cones) | #F5F5F8 | 0.015 |
| Tritanopia (no blue cones) | #E9FAF9 | 0.004 |
| 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 #ECF9F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.012
- White Smoke #F5F5F5 ΔE 0.014
- Cultured #F8F9FA ΔE 0.016
- Azure #F0FFFF ΔE 0.017
- Anti-Flash White #EDF2F4 ΔE 0.017
- Light Cyan #E0FFFF ΔE 0.019
- Ghost White #F8F8FF ΔE 0.019
- Mint Cream #F5FFFA ΔE 0.020
Use #ECF9F8 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.