#E3F5FA
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.8% 0.02 216.2), rgb(227, 245, 250).
Aa
Black text reads best on this color (18.70:1).
About this color
#E3F5FA is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.014 away. Black text reads best on it, at 18.70:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.70:1 |
| White text | 1.12:1 |
Values
| HEX | #E3F5FA |
| RGB | rgb(227, 245, 250) |
| HSL | hsl(193, 70%, 94%) |
| OKLCH | oklch(95.8% 0.02 216.2) |
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 #E3F5FA | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3F5FA | 18.70:1 | AAA | Lc 98.1 | Preferred for body text |
| #E3F5FA text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #E3F5FA text on black | 18.70:1 | AAA | Lc -99.2 | 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)
#E3F5FA
oklch(95.8% 0.02 216.2)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AFC5CB
oklch(80.9% 0.025 215.9)
-
Step 400
400
#84A8B1
oklch(70.8% 0.041 214.7)
-
Step 500
500
#64929E
oklch(63.1% 0.053 215.8)
-
Step 600
600
#4A7C89
oklch(55.6% 0.057 216.2)
-
Step 700
700
#3B6874
oklch(49% 0.053 216.9)
-
Step 800
800
#31555F
oklch(42.7% 0.045 217.5)
-
Step 900
900
#2C464D
oklch(37.6% 0.034 216.5)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#E3F5FA 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) | #F1F4FA | 0.018 |
| Deuteranopia (no green cones) | #EDF0FA | 0.017 |
| Tritanopia (no blue cones) | #DDF7F6 | 0.012 |
| Achromatopsia (no color) | #F2F2F2 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F5FA
#E3F5FA
oklch(95.8% 0.02 216.2)
- #FEEDE8
#FEEDE8
oklch(95.8% 0.02 37)
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 #E3F5FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.014
- Alice Blue #F0F8FF ΔE 0.020
- White Smoke #F5F5F5 ΔE 0.023
- Light Cyan #E0FFFF ΔE 0.024
- Ice Blue #D7FFFE ΔE 0.027
- Very Pale Blue #D6FFFE ΔE 0.027
- Very Light Blue #D5FFFF ΔE 0.028
- Really Light Blue #D4FFFF ΔE 0.028
Use #E3F5FA 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.