#E3F0FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.025 251.9), rgb(227, 240, 255).
Aa
Black text reads best on this color (18.17:1).
About this color
#E3F0FF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.021 away. Black text reads best on it, at 18.17:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.17:1 |
| White text | 1.15:1 |
Values
| HEX | #E3F0FF |
| RGB | rgb(227, 240, 255) |
| HSL | hsl(212, 100%, 95%) |
| OKLCH | oklch(95% 0.025 251.9) |
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 #E3F0FF | 1.15:1 | Fails | Lc -8.6 | Not readable |
| Black text on #E3F0FF | 18.17:1 | AAA | Lc 96.2 | Preferred for body text |
| #E3F0FF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #E3F0FF text on black | 18.17:1 | AAA | Lc -97.1 | 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)
#E3F0FF
oklch(95% 0.025 251.9)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C2D5
oklch(80.8% 0.032 252.7)
-
Step 400
400
#8AA3C0
oklch(70.6% 0.051 252.3)
-
Step 500
500
#6D8CB0
oklch(63% 0.065 252.6)
-
Step 600
600
#55769C
oklch(55.6% 0.071 252.5)
-
Step 700
700
#456385
oklch(49.1% 0.065 252.2)
-
Step 800
800
#39516C
oklch(42.7% 0.054 252)
-
Step 900
900
#314358
oklch(37.7% 0.043 252.7)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#E3F0FF 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) | #EBF0FF | 0.010 |
| Deuteranopia (no green cones) | #E8EDFF | 0.010 |
| Tritanopia (no blue cones) | #DCF3F5 | 0.020 |
| Achromatopsia (no color) | #EEEEEE | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F0FF
#E3F0FF
oklch(95% 0.025 251.9)
- #F9ECDD
#F9ECDD
oklch(94.9% 0.024 71.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #E3F0FF
These curated palettes and gradients contain exactly #E3F0FF. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.021
- Lavender #E6E6FA ΔE 0.024
- Alice Blue #F0F8FF ΔE 0.028
- White Smoke #F5F5F5 ΔE 0.032
- Ghost White #F8F8FF ΔE 0.036
- Lavender Blush #FFF0F5 ΔE 0.038
- Light Cyan #E0FFFF ΔE 0.039
- Cultured #F8F9FA ΔE 0.039
Use #E3F0FF 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.