#E3F7FF
Closest named color: Alice Blue (#F0F8FF). oklch(96.4% 0.024 223.7), rgb(227, 247, 255).
Aa
Black text reads best on this color (19.01:1).
About this color
#E3F7FF is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.017 away. Black text reads best on it, at 19.01:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.01:1 |
| White text | 1.10:1 |
Values
| HEX | #E3F7FF |
| RGB | rgb(227, 247, 255) |
| HSL | hsl(197, 100%, 95%) |
| OKLCH | oklch(96.4% 0.024 223.7) |
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 #E3F7FF | 1.10:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3F7FF | 19.01:1 | AAA | Lc 99.2 | Preferred for body text |
| #E3F7FF text on white | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #E3F7FF text on black | 19.01:1 | AAA | Lc -100.3 | 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)
#E3F7FF
oklch(96.4% 0.024 223.7)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC5CF
oklch(80.8% 0.031 223.9)
-
Step 400
400
#80A8B7
oklch(70.8% 0.049 222.9)
-
Step 500
500
#5E92A5
oklch(63.1% 0.062 223.1)
-
Step 600
600
#437C91
oklch(55.6% 0.068 224.2)
-
Step 700
700
#35697B
oklch(49.2% 0.062 223)
-
Step 800
800
#2C5564
oklch(42.6% 0.052 224)
-
Step 900
900
#284652
oklch(37.6% 0.041 225.6)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#E3F7FF 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) | #F2F6FF | 0.019 |
| Deuteranopia (no green cones) | #EEF2FF | 0.018 |
| Tritanopia (no blue cones) | #DCFAF9 | 0.016 |
| Achromatopsia (no color) | #F4F4F4 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F7FF
#E3F7FF
oklch(96.4% 0.024 223.7)
- #FFEFE9
#FFEFE9
oklch(96.3% 0.019 41.8)
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 #E3F7FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.017
- Anti-Flash White #EDF2F4 ΔE 0.019
- Light Cyan #E0FFFF ΔE 0.021
- White Smoke #F5F5F5 ΔE 0.024
- Ice Blue #D7FFFE ΔE 0.025
- Very Pale Blue #D6FFFE ΔE 0.025
- Very Light Blue #D5FFFF ΔE 0.025
- Really Light Blue #D4FFFF ΔE 0.026
Use #E3F7FF 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.