#E3FBFF
Closest named color: Light Cyan (#E0FFFF). oklch(97.2% 0.026 208.7), rgb(227, 251, 255).
Aa
Black text reads best on this color (19.50:1).
About this color
#E3FBFF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.026. 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 19.50:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.50:1 |
| White text | 1.07:1 |
Values
| HEX | #E3FBFF |
| RGB | rgb(227, 251, 255) |
| HSL | hsl(189, 100%, 95%) |
| OKLCH | oklch(97.2% 0.026 208.7) |
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 #E3FBFF | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3FBFF | 19.50:1 | AAA | Lc 100.9 | Preferred for body text |
| #E3FBFF text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #E3FBFF text on black | 19.50:1 | AAA | Lc -102.3 | 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)
#E3FBFF
oklch(97.2% 0.026 208.7)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CC
oklch(80.9% 0.033 208.8)
-
Step 400
400
#7AAAB2
oklch(70.7% 0.052 208.9)
-
Step 500
500
#55959F
oklch(63.1% 0.067 208.5)
-
Step 600
600
#377F8A
oklch(55.5% 0.073 208.8)
-
Step 700
700
#286B75
oklch(49% 0.068 208.8)
-
Step 800
800
#23585F
oklch(42.8% 0.057 207.1)
-
Step 900
900
#23484E
oklch(37.7% 0.043 209.1)
-
Step 950
950
#152A2E
oklch(26.9% 0.028 211.1)
#E3FBFF 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) | #F7F9FF | 0.025 |
| Deuteranopia (no green cones) | #F2F5FF | 0.023 |
| Tritanopia (no blue cones) | #DBFDFC | 0.012 |
| Achromatopsia (no color) | #F6F6F6 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3FBFF
#E3FBFF
oklch(97.2% 0.026 208.7)
- #FFF2F0
#FFF2F0
oklch(97.1% 0.014 28)
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 #E3FBFF, 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
- Alice Blue #F0F8FF ΔE 0.017
- Very Pale Blue #D6FFFE ΔE 0.018
- Very Light Blue #D5FFFF ΔE 0.019
- Really Light Blue #D4FFFF ΔE 0.020
- Azure #F0FFFF ΔE 0.020
- Ice #D6FFFA ΔE 0.021
Use #E3FBFF 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.