#E1F3EF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.02 181.1), rgb(225, 243, 239).
Aa
Black text reads best on this color (18.26:1).
About this color
#E1F3EF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.018 away. Black text reads best on it, at 18.26:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.26:1 |
| White text | 1.14:1 |
Values
| HEX | #E1F3EF |
| RGB | rgb(225, 243, 239) |
| HSL | hsl(167, 43%, 92%) |
| OKLCH | oklch(95% 0.02 181.1) |
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 #E1F3EF | 1.14:1 | Fails | Lc -8.2 | Not readable |
| Black text on #E1F3EF | 18.26:1 | AAA | Lc 96.6 | Preferred for body text |
| #E1F3EF text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E1F3EF text on black | 18.26:1 | AAA | Lc -97.4 | 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)
#E1F3EF
oklch(95% 0.02 181.1)
-
Step 200
200
#D0DCD9
oklch(88.5% 0.014 179.4)
-
Step 300
300
#B0C6C1
oklch(80.8% 0.025 180.5)
-
Step 400
400
#86A9A2
oklch(70.7% 0.04 181.6)
-
Step 500
500
#66948B
oklch(63.1% 0.052 181)
-
Step 600
600
#4C7E75
oklch(55.5% 0.056 181.4)
-
Step 700
700
#3D6B62
oklch(49.2% 0.053 180)
-
Step 800
800
#335750
oklch(42.7% 0.043 180.4)
-
Step 900
900
#2D4843
oklch(37.8% 0.034 181.5)
-
Step 950
950
#1B2A27
oklch(27% 0.021 180.8)
#E1F3EF 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) | #F1F1EF | 0.021 |
| Deuteranopia (no green cones) | #EEEEEF | 0.020 |
| Tritanopia (no blue cones) | #DDF4F2 | 0.006 |
| Achromatopsia (no color) | #EFEFEF | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1F3EF
#E1F3EF
oklch(95% 0.02 181.1)
- #FBE9ED
#FBE9ED
oklch(94.9% 0.02 2.3)
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 #E1F3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.018
- White Smoke #F5F5F5 ΔE 0.028
- Ice #D6FFFA ΔE 0.031
- Alice Blue #F0F8FF ΔE 0.031
- Ice Blue #D7FFFE ΔE 0.031
- Light Cyan #E0FFFF ΔE 0.031
- Very Pale Blue #D6FFFE ΔE 0.032
- Very Light Blue #D5FFFF ΔE 0.032
Use #E1F3EF 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.