#F0F8FF
Named color: Alice Blue. oklch(97.5% 0.013 244.3), rgb(240, 248, 255).
Aa
Black text reads best on this color (19.57:1).
About this color
#F0F8FF is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.013. It has too little chroma to lean warm or cool. It is the named color Alice Blue. Black text reads best on it, at 19.57:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | Alice Blue |
| Black text | 19.57:1 |
| White text | 1.07:1 |
Values
| HEX | #F0F8FF |
| RGB | rgb(240, 248, 255) |
| HSL | hsl(208, 100%, 97%) |
| OKLCH | oklch(97.5% 0.013 244.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #F0F8FF | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #F0F8FF | 19.57:1 | AAA | Lc 101.2 | Preferred for body text |
| #F0F8FF text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #F0F8FF text on black | 19.57:1 | AAA | Lc -102.5 | 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)
#F0F8FF
oklch(97.5% 0.013 244.3)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CB
oklch(80.9% 0.017 245.1)
-
Step 400
400
#93A3B0
oklch(70.7% 0.026 242.5)
-
Step 500
500
#798C9D
oklch(63.1% 0.034 245.4)
-
Step 600
600
#627687
oklch(55.6% 0.036 244.1)
-
Step 700
700
#516373
oklch(49.1% 0.034 245.4)
-
Step 800
800
#42515D
oklch(42.7% 0.028 242.5)
-
Step 900
900
#38434D
oklch(37.7% 0.022 245.9)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#F0F8FF 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) | #F5F8FF | 0.006 |
| Deuteranopia (no green cones) | #F3F6FF | 0.006 |
| Tritanopia (no blue cones) | #EDFAFA | 0.011 |
| Achromatopsia (no color) | #F7F7F7 | 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 #F0F8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ghost White #F8F8FF ΔE 0.010
- Cultured #F8F9FA ΔE 0.013
- White Smoke #F5F5F5 ΔE 0.014
- Azure #F0FFFF ΔE 0.018
- Anti-Flash White #EDF2F4 ΔE 0.019
- Snow #FFFAFA ΔE 0.022
- Pale Grey #FDFDFE ΔE 0.022
- Mint Cream #F5FFFA ΔE 0.023
Use #F0F8FF 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.