#E4FAFF
Closest named color: Light Cyan (#E0FFFF). oklch(97.1% 0.024 212.9), rgb(228, 250, 255).
Aa
Black text reads best on this color (19.41:1).
About this color
#E4FAFF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.013 away. Black text reads best on it, at 19.41:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.41:1 |
| White text | 1.08:1 |
Values
| HEX | #E4FAFF |
| RGB | rgb(228, 250, 255) |
| HSL | hsl(191, 100%, 95%) |
| OKLCH | oklch(97.1% 0.024 212.9) |
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 #E4FAFF | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4FAFF | 19.41:1 | AAA | Lc 100.6 | Preferred for body text |
| #E4FAFF text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #E4FAFF text on black | 19.41:1 | AAA | Lc -101.9 | 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)
#E4FAFF
oklch(97.1% 0.024 212.9)
-
Step 100
100
#E3EBED
oklch(93.5% 0.009 214.3)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CC
oklch(80.8% 0.03 212.6)
-
Step 400
400
#7DA9B3
oklch(70.7% 0.049 213.3)
-
Step 500
500
#5A94A0
oklch(63.1% 0.063 212.3)
-
Step 600
600
#3E7E8B
oklch(55.6% 0.068 212.6)
-
Step 700
700
#2F6A76
oklch(49% 0.064 212.9)
-
Step 800
800
#285760
oklch(42.8% 0.053 211.7)
-
Step 900
900
#26474F
oklch(37.6% 0.041 215.1)
-
Step 950
950
#172A2E
oklch(27.1% 0.026 212.5)
#E4FAFF 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) | #F6F8FF | 0.023 |
| Deuteranopia (no green cones) | #F1F4FF | 0.021 |
| Tritanopia (no blue cones) | #DDFCFB | 0.012 |
| Achromatopsia (no color) | #F6F6F6 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4FAFF
#E4FAFF
oklch(97.1% 0.024 212.9)
- #FFF2EF
#FFF2EF
oklch(97.1% 0.015 33.1)
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 #E4FAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.013
- Alice Blue #F0F8FF ΔE 0.015
- Ice Blue #D7FFFE ΔE 0.020
- Very Pale Blue #D6FFFE ΔE 0.021
- Azure #F0FFFF ΔE 0.021
- Very Light Blue #D5FFFF ΔE 0.021
- Really Light Blue #D4FFFF ΔE 0.022
- Anti-Flash White #EDF2F4 ΔE 0.022
Use #E4FAFF 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.