#E3F2EF
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.9% 0.016 182.7), rgb(227, 242, 239).
Aa
Black text reads best on this color (18.21:1).
About this color
#E3F2EF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.015 away. Black text reads best on it, at 18.21:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.21:1 |
| White text | 1.15:1 |
Values
| HEX | #E3F2EF |
| RGB | rgb(227, 242, 239) |
| HSL | hsl(168, 37%, 92%) |
| OKLCH | oklch(94.9% 0.016 182.7) |
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 #E3F2EF | 1.15:1 | Fails | Lc -8.5 | Not readable |
| Black text on #E3F2EF | 18.21:1 | AAA | Lc 96.4 | Preferred for body text |
| #E3F2EF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #E3F2EF text on black | 18.21:1 | AAA | Lc -97.2 | 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 100.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100 (this color)
#E3F2EF
oklch(94.9% 0.016 182.7)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B3C5C2
oklch(80.9% 0.02 184.8)
-
Step 400
400
#8AA8A2
oklch(70.7% 0.034 181.8)
-
Step 500
500
#6D928C
oklch(63.1% 0.042 183.9)
-
Step 600
600
#547D76
oklch(55.7% 0.047 182.7)
-
Step 700
700
#446963
oklch(49.1% 0.043 183.2)
-
Step 800
800
#385651
oklch(42.8% 0.037 183)
-
Step 900
900
#314743
oklch(37.8% 0.028 182.2)
-
Step 950
950
#1D2927
oklch(26.9% 0.017 183.7)
#E3F2EF 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) | #F0F0EF | 0.017 |
| Deuteranopia (no green cones) | #EDEEEF | 0.016 |
| Tritanopia (no blue cones) | #E0F3F1 | 0.004 |
| Achromatopsia (no color) | #EFEFEF | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F2EF
#E3F2EF
oklch(94.9% 0.016 182.7)
- #F8EAED
#F8EAED
oklch(94.9% 0.016 2.7)
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 #E3F2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.015
- White Smoke #F5F5F5 ΔE 0.027
- Alice Blue #F0F8FF ΔE 0.030
- Linen #FAF0E6 ΔE 0.030
- Light Cyan #E0FFFF ΔE 0.033
- Ice #D6FFFA ΔE 0.033
- Ice Blue #D7FFFE ΔE 0.034
- Very Pale Blue #D6FFFE ΔE 0.034
Use #E3F2EF 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.