#F0F3FF
Closest named color: Alice Blue (#F0F8FF). oklch(96.5% 0.016 274.8), rgb(240, 243, 255).
Aa
Black text reads best on this color (18.96:1).
About this color
#F0F3FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.013 away. Black text reads best on it, at 18.96:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 18.96:1 |
| White text | 1.10:1 |
Values
| HEX | #F0F3FF |
| RGB | rgb(240, 243, 255) |
| HSL | hsl(228, 100%, 97%) |
| OKLCH | oklch(96.5% 0.016 274.8) |
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 #F0F3FF | 1.10:1 | Fails | Lc 0.0 | Not readable |
| Black text on #F0F3FF | 18.96:1 | AAA | Lc 99.0 | Preferred for body text |
| #F0F3FF text on white | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #F0F3FF text on black | 18.96:1 | AAA | Lc -100.2 | 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)
#F0F3FF
oklch(96.5% 0.016 274.8)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BCC0CF
oklch(80.9% 0.021 274)
-
Step 400
400
#9A9FB6
oklch(70.6% 0.034 275.8)
-
Step 500
500
#8188A4
oklch(63.1% 0.043 274.1)
-
Step 600
600
#6B728F
oklch(55.7% 0.046 274.2)
-
Step 700
700
#595F7A
oklch(49.1% 0.044 274.9)
-
Step 800
800
#494E63
oklch(42.8% 0.035 274.4)
-
Step 900
900
#3D4151
oklch(37.8% 0.028 274)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#F0F3FF 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) | #F0F4FF | 0.003 |
| Deuteranopia (no green cones) | #EFF3FF | 0.001 |
| Tritanopia (no blue cones) | #EDF5F7 | 0.014 |
| Achromatopsia (no color) | #F3F3F3 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F0F3FF
#F0F3FF
oklch(96.5% 0.016 274.8)
- #F7F4E8
#F7F4E8
oklch(96.6% 0.016 95.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #F0F3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.013
- Anti-Flash White #EDF2F4 ΔE 0.015
- White Smoke #F5F5F5 ΔE 0.017
- Ghost White #F8F8FF ΔE 0.017
- Lavender Blush #FFF0F5 ΔE 0.022
- Cultured #F8F9FA ΔE 0.022
- Very Light Pink #FFF4F2 ΔE 0.026
- Snow #FFFAFA ΔE 0.030
Use #F0F3FF 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.