#E3F4E7
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.1% 0.025 152.9), rgb(227, 244, 231).
Aa
Black text reads best on this color (18.36:1).
About this color
#E3F4E7 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 0.025 away. Black text reads best on it, at 18.36:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.36:1 |
| White text | 1.14:1 |
Values
| HEX | #E3F4E7 |
| RGB | rgb(227, 244, 231) |
| HSL | hsl(134, 44%, 92%) |
| OKLCH | oklch(95.1% 0.025 152.9) |
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 #E3F4E7 | 1.14:1 | Fails | Lc -7.9 | Not readable |
| Black text on #E3F4E7 | 18.36:1 | AAA | Lc 96.9 | Preferred for body text |
| #E3F4E7 text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E3F4E7 text on black | 18.36:1 | AAA | Lc -97.8 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100 (this color)
#E3F4E7
oklch(95.1% 0.025 152.9)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B7
oklch(80.9% 0.032 152.8)
-
Step 400
400
#89AA92
oklch(70.6% 0.05 153.4)
-
Step 500
500
#6B9577
oklch(63% 0.064 153.2)
-
Step 600
600
#52805F
oklch(55.7% 0.072 152.5)
-
Step 700
700
#426C4F
oklch(49.2% 0.066 153.3)
-
Step 800
800
#375841
oklch(42.8% 0.054 153.2)
-
Step 900
900
#304837
oklch(37.6% 0.042 153.2)
-
Step 950
950
#1C2A20
oklch(26.9% 0.027 153.3)
#E3F4E7 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) | #F4F1E6 | 0.022 |
| Deuteranopia (no green cones) | #F1EFE8 | 0.022 |
| Tritanopia (no blue cones) | #E1F3F0 | 0.013 |
| Achromatopsia (no color) | #F0F0F0 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3F4E7
#E3F4E7
oklch(95.1% 0.025 152.9)
- #FAE9F6
#FAE9F6
oklch(95.1% 0.025 333.7)
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 #E3F4E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.025
- Beige #F5F5DC ΔE 0.027
- Linen #FAF0E6 ΔE 0.030
- White Smoke #F5F5F5 ΔE 0.031
- Ice #D6FFFA ΔE 0.032
- Honeydew #F0FFF0 ΔE 0.034
- Old Lace #FDF5E6 ΔE 0.034
- Ice Blue #D7FFFE ΔE 0.035
Use #E3F4E7 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.