#E4FBFA
Closest named color: Light Cyan (#E0FFFF). oklch(97.1% 0.024 193.6), rgb(228, 251, 250).
Aa
Black text reads best on this color (19.47:1).
About this color
#E4FBFA 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 0.011 away. Black text reads best on it, at 19.47:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.47:1 |
| White text | 1.07:1 |
Values
| HEX | #E4FBFA |
| RGB | rgb(228, 251, 250) |
| HSL | hsl(177, 74%, 94%) |
| OKLCH | oklch(97.1% 0.024 193.6) |
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 #E4FBFA | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4FBFA | 19.47:1 | AAA | Lc 100.8 | Preferred for body text |
| #E4FBFA text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #E4FBFA text on black | 19.47:1 | AAA | Lc -102.1 | 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)
#E4FBFA
oklch(97.1% 0.024 193.6)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#ABC7C6
oklch(80.9% 0.03 193.9)
-
Step 400
400
#7DABA9
oklch(70.8% 0.049 192.7)
-
Step 500
500
#599694
oklch(63.1% 0.064 193)
-
Step 600
600
#3C807F
oklch(55.6% 0.069 194.1)
-
Step 700
700
#2E6C6B
oklch(49.1% 0.064 193.8)
-
Step 800
800
#275857
oklch(42.6% 0.053 193.6)
-
Step 900
900
#254948
oklch(37.8% 0.042 193.2)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#E4FBFA 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) | #F8F8FA | 0.026 |
| Deuteranopia (no green cones) | #F3F5FA | 0.023 |
| Tritanopia (no blue cones) | #DEFDFB | 0.008 |
| Achromatopsia (no color) | #F6F6F6 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4FBFA
#E4FBFA
oklch(97.1% 0.024 193.6)
- #FFF2F3
#FFF2F3
oklch(97.2% 0.014 12)
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 #E4FBFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.011
- Ice Blue #D7FFFE ΔE 0.017
- Very Pale Blue #D6FFFE ΔE 0.018
- Ice #D6FFFA ΔE 0.019
- Very Light Blue #D5FFFF ΔE 0.019
- Alice Blue #F0F8FF ΔE 0.019
- Azure #F0FFFF ΔE 0.020
- Really Light Blue #D4FFFF ΔE 0.020
Use #E4FBFA 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.