#E3F1FE
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.2% 0.023 246), rgb(227, 241, 254).
Aa
Black text reads best on this color (18.27:1).
About this color
#E3F1FE is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.019 away. Black text reads best on it, at 18.27:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.27:1 |
| White text | 1.14:1 |
Values
| HEX | #E3F1FE |
| RGB | rgb(227, 241, 254) |
| HSL | hsl(209, 93%, 94%) |
| OKLCH | oklch(95.2% 0.023 246) |
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 #E3F1FE | 1.14:1 | Fails | Lc -8.2 | Not readable |
| Black text on #E3F1FE | 18.27:1 | AAA | Lc 96.6 | Preferred for body text |
| #E3F1FE text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E3F1FE text on black | 18.27:1 | AAA | Lc -97.5 | 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 100.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100 (this color)
#E3F1FE
oklch(95.2% 0.023 246)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B2C3D3
oklch(80.9% 0.029 246.5)
-
Step 400
400
#89A4BD
oklch(70.7% 0.047 246.5)
-
Step 500
500
#6B8EAC
oklch(63.2% 0.06 244.8)
-
Step 600
600
#537798
oklch(55.6% 0.066 246.9)
-
Step 700
700
#436482
oklch(49.1% 0.062 246.8)
-
Step 800
800
#375269
oklch(42.7% 0.05 245.1)
-
Step 900
900
#304456
oklch(37.8% 0.04 246.3)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#E3F1FE 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) | #ECF1FF | 0.012 |
| Deuteranopia (no green cones) | #E9EEFE | 0.010 |
| Tritanopia (no blue cones) | #DDF4F5 | 0.019 |
| Achromatopsia (no color) | #EFEFEF | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F1FE
#E3F1FE
oklch(95.2% 0.023 246)
- #FAECDF
#FAECDF
oklch(95.1% 0.023 65.5)
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 #E3F1FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.019
- Alice Blue #F0F8FF ΔE 0.026
- Lavender #E6E6FA ΔE 0.027
- White Smoke #F5F5F5 ΔE 0.030
- Ghost White #F8F8FF ΔE 0.034
- Light Cyan #E0FFFF ΔE 0.036
- Cultured #F8F9FA ΔE 0.037
- Lavender Blush #FFF0F5 ΔE 0.037
Use #E3F1FE 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.