#F3F8FF
Closest named color: Alice Blue (#F0F8FF). oklch(97.7% 0.011 256.7), rgb(243, 248, 255).
Aa
Black text reads best on this color (19.68:1).
About this color
#F3F8FF is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.011. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.004 away. Black text reads best on it, at 19.68:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.011) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.68:1 |
| White text | 1.06:1 |
Values
| HEX | #F3F8FF |
| RGB | rgb(243, 248, 255) |
| HSL | hsl(215, 100%, 98%) |
| OKLCH | oklch(97.7% 0.011 256.7) |
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 #F3F8FF | 1.06:1 | Fails | Lc 0.0 | Not readable |
| Black text on #F3F8FF | 19.68:1 | AAA | Lc 101.5 | Preferred for body text |
| #F3F8FF text on white | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #F3F8FF text on black | 19.68:1 | AAA | Lc -102.9 | 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)
#F3F8FF
oklch(97.7% 0.011 256.7)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1CA
oklch(80.9% 0.014 258.4)
-
Step 400
400
#98A1AF
oklch(70.6% 0.023 259.2)
-
Step 500
500
#7F8A9B
oklch(63% 0.029 259)
-
Step 600
600
#687486
oklch(55.5% 0.032 258.4)
-
Step 700
700
#566271
oklch(49.1% 0.028 254.1)
-
Step 800
800
#47505C
oklch(42.8% 0.023 255.6)
-
Step 900
900
#3B424C
oklch(37.7% 0.02 257.3)
-
Step 950
950
#23272C
oklch(27.1% 0.011 254)
#F3F8FF 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) | #F6F8FF | 0.004 |
| Deuteranopia (no green cones) | #F5F7FF | 0.003 |
| Tritanopia (no blue cones) | #F0F9FA | 0.009 |
| Achromatopsia (no color) | #F7F7F7 | 0.011 |
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 #F3F8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.004
- Ghost White #F8F8FF ΔE 0.007
- Cultured #F8F9FA ΔE 0.010
- White Smoke #F5F5F5 ΔE 0.013
- Azure #F0FFFF ΔE 0.018
- Snow #FFFAFA ΔE 0.018
- Pale Grey #FDFDFE ΔE 0.020
- Anti-Flash White #EDF2F4 ΔE 0.021
Use #F3F8FF 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.