#E4F8FF
Closest named color: Alice Blue (#F0F8FF). oklch(96.7% 0.023 220.7), rgb(228, 248, 255).
Aa
Black text reads best on this color (19.16:1).
About this color
#E4F8FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.015 away. Black text reads best on it, at 19.16:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.16:1 |
| White text | 1.09:1 |
Values
| HEX | #E4F8FF |
| RGB | rgb(228, 248, 255) |
| HSL | hsl(196, 100%, 95%) |
| OKLCH | oklch(96.7% 0.023 220.7) |
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 #E4F8FF | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4F8FF | 19.16:1 | AAA | Lc 99.8 | Preferred for body text |
| #E4F8FF text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #E4F8FF text on black | 19.16:1 | AAA | Lc -100.9 | 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)
#E4F8FF
oklch(96.7% 0.023 220.7)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ADC5CE
oklch(80.8% 0.029 222.4)
-
Step 400
400
#80A8B5
oklch(70.7% 0.047 219.8)
-
Step 500
500
#5F92A3
oklch(63% 0.06 221)
-
Step 600
600
#447C8E
oklch(55.5% 0.065 221)
-
Step 700
700
#356979
oklch(49.2% 0.061 220.3)
-
Step 800
800
#2D5562
oklch(42.6% 0.05 221.2)
-
Step 900
900
#294750
oklch(37.8% 0.039 219)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#E4F8FF 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) | #F4F7FF | 0.020 |
| Deuteranopia (no green cones) | #EFF3FF | 0.018 |
| Tritanopia (no blue cones) | #DDFBFA | 0.015 |
| Achromatopsia (no color) | #F4F4F4 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4F8FF
#E4F8FF
oklch(96.7% 0.023 220.7)
- #FFF0EB
#FFF0EB
oklch(96.6% 0.018 39.4)
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 #E4F8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.015
- Light Cyan #E0FFFF ΔE 0.018
- Anti-Flash White #EDF2F4 ΔE 0.019
- Ice Blue #D7FFFE ΔE 0.023
- White Smoke #F5F5F5 ΔE 0.023
- Very Pale Blue #D6FFFE ΔE 0.024
- Very Light Blue #D5FFFF ΔE 0.024
- Azure #F0FFFF ΔE 0.025
Use #E4F8FF 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.