#E1F5FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.8% 0.025 229.1), rgb(225, 245, 255).
Aa
Black text reads best on this color (18.70:1).
About this color
#E1F5FF is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.019 away. Black text reads best on it, at 18.70:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.70:1 |
| White text | 1.12:1 |
Values
| HEX | #E1F5FF |
| RGB | rgb(225, 245, 255) |
| HSL | hsl(200, 100%, 94%) |
| OKLCH | oklch(95.8% 0.025 229.1) |
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 #E1F5FF | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E1F5FF | 18.70:1 | AAA | Lc 98.1 | Preferred for body text |
| #E1F5FF text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #E1F5FF text on black | 18.70:1 | AAA | Lc -99.1 | 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 50.
-
Step 50
50 (this color)
#E1F5FF
oklch(95.8% 0.025 229.1)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE3
oklch(88.6% 0.018 229)
-
Step 300
300
#ACC5D1
oklch(80.9% 0.032 228.3)
-
Step 400
400
#80A7BB
oklch(70.7% 0.051 230.7)
-
Step 500
500
#5E91A9
oklch(63% 0.065 229.3)
-
Step 600
600
#437B95
oklch(55.5% 0.072 229.9)
-
Step 700
700
#34687F
oklch(49.1% 0.067 229.1)
-
Step 800
800
#2C5567
oklch(42.8% 0.055 228.5)
-
Step 900
900
#284654
oklch(37.7% 0.043 229.5)
-
Step 950
950
#182931
oklch(27% 0.027 229.2)
#E1F5FF 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) | #F0F4FF | 0.019 |
| Deuteranopia (no green cones) | #EBF0FF | 0.017 |
| Tritanopia (no blue cones) | #D9F8F8 | 0.017 |
| Achromatopsia (no color) | #F2F2F2 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1F5FF
#E1F5FF
oklch(95.8% 0.025 229.1)
- #FFEDE4
#FFEDE4
oklch(95.8% 0.023 48.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E1F5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.019
- Alice Blue #F0F8FF ΔE 0.021
- Light Cyan #E0FFFF ΔE 0.026
- White Smoke #F5F5F5 ΔE 0.028
- Ice Blue #D7FFFE ΔE 0.028
- Very Light Blue #D5FFFF ΔE 0.028
- Very Pale Blue #D6FFFE ΔE 0.029
- Really Light Blue #D4FFFF ΔE 0.029
Use #E1F5FF 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.