#E3F2FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.4% 0.024 244.1), rgb(227, 242, 255).
Aa
Black text reads best on this color (18.41:1).
About this color
#E3F2FF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.024. 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 18.41:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.41:1 |
| White text | 1.14:1 |
Values
| HEX | #E3F2FF |
| RGB | rgb(227, 242, 255) |
| HSL | hsl(208, 100%, 95%) |
| OKLCH | oklch(95.4% 0.024 244.1) |
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 #E3F2FF | 1.14:1 | Fails | Lc -7.6 | Not readable |
| Black text on #E3F2FF | 18.41:1 | AAA | Lc 97.1 | Preferred for body text |
| #E3F2FF text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E3F2FF text on black | 18.41:1 | AAA | Lc -98.0 | 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)
#E3F2FF
oklch(95.4% 0.024 244.1)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B1C3D3
oklch(80.9% 0.03 245)
-
Step 400
400
#87A5BD
oklch(70.8% 0.048 242.5)
-
Step 500
500
#698EAD
oklch(63.1% 0.062 244.3)
-
Step 600
600
#507898
oklch(55.6% 0.067 243.5)
-
Step 700
700
#416582
oklch(49.2% 0.062 243.8)
-
Step 800
800
#36526A
oklch(42.7% 0.052 245.3)
-
Step 900
900
#2F4456
oklch(37.7% 0.041 245)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#E3F2FF 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) | #EDF2FF | 0.013 |
| Deuteranopia (no green cones) | #E9EFFF | 0.010 |
| Tritanopia (no blue cones) | #DCF5F6 | 0.019 |
| Achromatopsia (no color) | #F0F0F0 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F2FF
#E3F2FF
oklch(95.4% 0.024 244.1)
- #FCEDE0
#FCEDE0
oklch(95.4% 0.024 63.5)
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 #E3F2FF, 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 0.024
- White Smoke #F5F5F5 ΔE 0.029
- Lavender #E6E6FA ΔE 0.029
- Ghost White #F8F8FF ΔE 0.033
- Light Cyan #E0FFFF ΔE 0.034
- Cultured #F8F9FA ΔE 0.035
- Ice Blue #D7FFFE ΔE 0.036
Use #E3F2FF 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.